40156315 has 16 divisors (see below), whose sum is σ = 49939200. Its totient is φ = 30965760.

The previous prime is 40156309. The next prime is 40156339. The reversal of 40156315 is 51365104.

It is not a de Polignac number, because 40156315 - 2³ = 40156307 is a prime.

It is a super-2 number, since 2×40156315² = 3225059268758450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40156315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69307 + ... + 69883.

It is an arithmetic number, because the mean of its divisors is an integer number (3121200).

Almost surely, 2^40156315 is an apocalyptic number.

40156315 is a deficient number, since it is larger than the sum of its proper divisors (9782885).

40156315 is a wasteful number, since it uses less digits than its factorization.

40156315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 40156315 is about 6336.9010565102. The cubic root of 40156315 is about 342.4401017671.

The spelling of 40156315 in words is "forty million, one hundred fifty-six thousand, three hundred fifteen".