40013402512 has 40 divisors (see below), whose sum is σ = 78229742976. Its totient is φ = 19825842816.

The previous prime is 40013402509. The next prime is 40013402557. The reversal of 40013402512 is 21520431004.

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, 826233 + ... + 873319.

Almost surely, 2^40013402512 is an apocalyptic number.

It is an amenable number.

40013402512 is a deficient number, since it is larger than the sum of its proper divisors (38216340464).

40013402512 is a wasteful number, since it uses less digits than its factorization.

40013402512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47575 (or 47569 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 40013402512 its reverse (21520431004), we get a palindrome (61533833516).

The spelling of 40013402512 in words is "forty billion, thirteen million, four hundred two thousand, five hundred twelve".