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40712490819 = 327111319922709
BaseRepresentation
bin100101111010101001…
…110100111101000011
310220002022201211011100
4211322221310331003
51131334344201234
630411505545443
72640615314340
oct457251647503
9126068654140
1040712490819
11162a2159a30
127a82645283
133aba876170
141d830777c7
1510d4325399
hex97aa74f43

40712490819 has 96 divisors (see below), whose sum is σ = 79357824000. Its totient is φ = 19423514880.

The previous prime is 40712490809. The next prime is 40712490893. The reversal of 40712490819 is 91809421704.

It is a happy number.

It is not a de Polignac number, because 40712490819 - 213 = 40712482627 is a prime.

It is a super-2 number, since 2×407124908192 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40712490809) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1781437 + ... + 1804145.

It is an arithmetic number, because the mean of its divisors is an integer number (826644000).

Almost surely, 240712490819 is an apocalyptic number.

40712490819 is a deficient number, since it is larger than the sum of its proper divisors (38645333181).

40712490819 is a wasteful number, since it uses less digits than its factorization.

40712490819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22945 (or 22942 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 40712490819 in words is "forty billion, seven hundred twelve million, four hundred ninety thousand, eight hundred nineteen".

Divisors: 1 3 7 9 11 13 21 33 39 63 77 91 99 117 143 199 231 273 429 597 693 819 1001 1287 1393 1791 2189 2587 3003 4179 6567 7761 9009 12537 15323 18109 19701 22709 23283 28457 45969 54327 68127 85371 137907 158963 162981 199199 204381 249799 256113 295217 476889 597597 749397 885651 1430667 1748593 1792791 2066519 2248191 2656953 3247387 4519091 5245779 6199557 9742161 13557273 15737337 18598671 22731709 29226483 31633637 40671819 49710001 58748183 68195127 94900911 149130003 176244549 204585381 284702733 347970007 411237281 447390009 528733647 646230013 1043910021 1233711843 1938690039 3131730063 3701135529 4523610091 5816070117 13570830273 40712490819