40156632063 has 16 divisors (see below), whose sum is σ = 59650815840. Its totient is φ = 26699308992.

The previous prime is 40156632049. The next prime is 40156632071. The reversal of 40156632063 is 36023665104.

40156632063 is a `hidden beast` number, since 4 + 0 + 1 + 566 + 32 + 0 + 63 = 666.

It is not a de Polignac number, because 40156632063 - 2⁹ = 40156631551 is a prime.

It is a super-2 number, since 2×40156632063² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40156632013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1983606 + ... + 2003747.

It is an arithmetic number, because the mean of its divisors is an integer number (3728175990).

Almost surely, 2^40156632063 is an apocalyptic number.

40156632063 is a deficient number, since it is larger than the sum of its proper divisors (19494183777).

40156632063 is a wasteful number, since it uses less digits than its factorization.

40156632063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987735 (or 3987729 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 40156632063 in words is "forty billion, one hundred fifty-six million, six hundred thirty-two thousand, sixty-three".