40156935 has 96 divisors (see below), whose sum is σ = 83202048. Its totient is φ = 16174080.

The previous prime is 40156913. The next prime is 40156939. The reversal of 40156935 is 53965104.

It is a happy number.

It is not a de Polignac number, because 40156935 - 2⁵ = 40156903 is a prime.

It is a super-2 number, since 2×40156935² = 3225158857188450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40156896 and 40156905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40156939) 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, 550059 + ... + 550131.

It is an arithmetic number, because the mean of its divisors is an integer number (866688).

Almost surely, 2^40156935 is an apocalyptic number.

40156935 is an abundant number, since it is smaller than the sum of its proper divisors (43045113).

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

40156935 is a wasteful number, since it uses less digits than its factorization.

40156935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 40156935 is about 6336.9499761321. The cubic root of 40156935 is about 342.4418641447.

The spelling of 40156935 in words is "forty million, one hundred fifty-six thousand, nine hundred thirty-five".