40156011 has 24 divisors (see below), whose sum is σ = 66643200. Its totient is φ = 22823856.

The previous prime is 40155991. The next prime is 40156013. The reversal of 40156011 is 11065104.

It is not a de Polignac number, because 40156011 - 2⁵ = 40155979 is a prime.

It is a super-2 number, since 2×40156011² = 3225010438864242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40156013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10936 + ... + 14138.

It is an arithmetic number, because the mean of its divisors is an integer number (2776800).

Almost surely, 2^40156011 is an apocalyptic number.

40156011 is a deficient number, since it is larger than the sum of its proper divisors (26487189).

40156011 is a wasteful number, since it uses less digits than its factorization.

40156011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 40156011 is about 6336.8770699770. The cubic root of 40156011 is about 342.4392376269.

The spelling of 40156011 in words is "forty million, one hundred fifty-six thousand, eleven".