40256506333712 has 80 divisors (see below), whose sum is σ = 86935167043200. Its totient is φ = 17946440755200.

The previous prime is 40256506333639. The next prime is 40256506333733. The reversal of 40256506333712 is 21733360565204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138144962 + ... + 138436062.

It is an arithmetic number, because the mean of its divisors is an integer number (1086689588040).

Almost surely, 2^{40256506333712} is an apocalyptic number.

It is an amenable number.

40256506333712 is an abundant number, since it is smaller than the sum of its proper divisors (46678660709488).

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

40256506333712 is a wasteful number, since it uses less digits than its factorization.

40256506333712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317904 (or 317898 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 47.

Adding to 40256506333712 its reverse (21733360565204), we get a palindrome (61989866898916).

The spelling of 40256506333712 in words is "forty trillion, two hundred fifty-six billion, five hundred six million, three hundred thirty-three thousand, seven hundred twelve".