40162656 has 96 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 12496896.

The previous prime is 40162643. The next prime is 40162663. The reversal of 40162656 is 65626104.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×40162656² = 3226077873948672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176815 + ... + 177041.

It is an arithmetic number, because the mean of its divisors is an integer number (1173060).

Almost surely, 2^40162656 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 40162656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56306880).

40162656 is an abundant number, since it is smaller than the sum of its proper divisors (72451104).

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

40162656 is a wasteful number, since it uses less digits than its factorization.

40162656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40162656 is about 6337.4013601791. The cubic root of 40162656 is about 342.4581254860.

The spelling of 40162656 in words is "forty million, one hundred sixty-two thousand, six hundred fifty-six".