40156632115 has 8 divisors (see below), whose sum is σ = 48229759008. Its totient is φ = 32097438720.

The previous prime is 40156632071. The next prime is 40156632149. The reversal of 40156632115 is 51123665104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40156632115 - 2²⁷ = 40022414387 is a prime.

It is a super-2 number, since 2×40156632115² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477031 + ... + 3488560.

It is an arithmetic number, because the mean of its divisors is an integer number (6028719876).

Almost surely, 2^40156632115 is an apocalyptic number.

40156632115 is a deficient number, since it is larger than the sum of its proper divisors (8073126893).

40156632115 is a wasteful number, since it uses less digits than its factorization.

40156632115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966749.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 40156632115 in words is "forty billion, one hundred fifty-six million, six hundred thirty-two thousand, one hundred fifteen".