40512451304 has 16 divisors (see below), whose sum is σ = 81803988420. Its totient is φ = 18698054400.

The previous prime is 40512451283. The next prime is 40512451319. The reversal of 40512451304 is 40315421504.

It can be written as a sum of positive squares in 2 ways, for example, as 40084044100 + 428407204 = 200210^2 + 20698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194771297 + ... + 194771504.

Almost surely, 2^40512451304 is an apocalyptic number.

It is an amenable number.

40512451304 is an abundant number, since it is smaller than the sum of its proper divisors (41291537116).

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

40512451304 is a wasteful number, since it uses less digits than its factorization.

40512451304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389542820 (or 389542816 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 40512451304 its reverse (40315421504), we get a palindrome (80827872808).

The spelling of 40512451304 in words is "forty billion, five hundred twelve million, four hundred fifty-one thousand, three hundred four".