40512432312 has 64 divisors (see below), whose sum is σ = 122764953600. Its totient is φ = 12276493920.

The previous prime is 40512432269. The next prime is 40512432329. The reversal of 40512432312 is 21323421504.

40512432312 is a `hidden beast` number, since 405 + 1 + 24 + 3 + 231 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8522968 + ... + 8527719.

It is an arithmetic number, because the mean of its divisors is an integer number (1918202400).

Almost surely, 2^40512432312 is an apocalyptic number.

It is an amenable number.

40512432312 is an abundant number, since it is smaller than the sum of its proper divisors (82252521288).

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

40512432312 is a wasteful number, since it uses less digits than its factorization.

40512432312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17050713 (or 17050703 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 40512432312 its reverse (21323421504), we get a palindrome (61835853816).

The spelling of 40512432312 in words is "forty billion, five hundred twelve million, four hundred thirty-two thousand, three hundred twelve".