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40756926391540 = 2254463456609079
BaseRepresentation
bin10010100010001011101100…
…00111101010010011110100
312100022022202021110201122021
421101011312013222103310
520320230141124012130
6222403250135442524
711404406426156242
oct1121056607522364
9170268667421567
1040756926391540
1111a93a08465247
1246a2b70226444
131998491777248
14a0c907d89792
154aa2ab79337a
hex2511761ea4f4

40756926391540 has 24 divisors (see below), whose sum is σ = 85608723191040. Its totient is φ = 16299117648288.

The previous prime is 40756926391483. The next prime is 40756926391561. The reversal of 40756926391540 is 4519362965704.

It is a happy number.

It is a super-2 number, since 2×407569263915402 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228215280 + ... + 228393799.

It is an arithmetic number, because the mean of its divisors is an integer number (3567030132960).

Almost surely, 240756926391540 is an apocalyptic number.

It is an amenable number.

40756926391540 is an abundant number, since it is smaller than the sum of its proper divisors (44851796799500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40756926391540 is a wasteful number, since it uses less digits than its factorization.

40756926391540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456613551 (or 456613549 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 40756926391540 in words is "forty trillion, seven hundred fifty-six billion, nine hundred twenty-six million, three hundred ninety-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 4463 8926 17852 22315 44630 89260 456609079 913218158 1826436316 2283045395 4566090790 9132181580 2037846319577 4075692639154 8151385278308 10189231597885 20378463195770 40756926391540