40156926 has 32 divisors (see below), whose sum is σ = 82608768. Its totient is φ = 13006560.

The previous prime is 40156913. The next prime is 40156939. The reversal of 40156926 is 62965104.

It is an interprime number because it is at equal distance from previous prime (40156913) and next prime (40156939).

It is a super-2 number, since 2×40156926² = 3225157411538952, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81541 + ... + 82031.

It is an arithmetic number, because the mean of its divisors is an integer number (2581524).

Almost surely, 2^40156926 is an apocalyptic number.

40156926 is an abundant number, since it is smaller than the sum of its proper divisors (42451842).

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

40156926 is a wasteful number, since it uses less digits than its factorization.

40156926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 40156926 is about 6336.9492660112. The cubic root of 40156926 is about 342.4418385619.

The spelling of 40156926 in words is "forty million, one hundred fifty-six thousand, nine hundred twenty-six".