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40662949408 = 2519618997127
BaseRepresentation
bin100101110111101100…
…110101111000100000
310212221212111212010021
4211313230311320200
51131234203340113
630402540043224
72636444236624
oct456754657040
9125855455107
1040662949408
11162771a1814
127a69b33514
133ab051b713
141d7a65d184
1510cecdb48d
hex977b35e20

40662949408 has 192 divisors, whose sum is σ = 88194355200. Its totient is φ = 18393661440.

The previous prime is 40662949403. The next prime is 40662949463. The reversal of 40662949408 is 80494926604.

It is not an unprimeable number, because it can be changed into a prime (40662949403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320180641 + ... + 320180767.

It is an arithmetic number, because the mean of its divisors is an integer number (459345600).

Almost surely, 240662949408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40662949408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44097177600).

40662949408 is an abundant number, since it is smaller than the sum of its proper divisors (47531405792).

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

40662949408 is a wasteful number, since it uses less digits than its factorization.

40662949408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 40662949408 in words is "forty billion, six hundred sixty-two million, nine hundred forty-nine thousand, four hundred eight".