40513656416 has 24 divisors (see below), whose sum is σ = 79780710240. Its totient is φ = 20251888768.

The previous prime is 40513656373. The next prime is 40513656427. The reversal of 40513656416 is 61465631504.

40513656416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 19256 + ... + 285303.

It is an arithmetic number, because the mean of its divisors is an integer number (3324196260).

Almost surely, 2^40513656416 is an apocalyptic number.

It is an amenable number.

40513656416 is a deficient number, since it is larger than the sum of its proper divisors (39267053824).

40513656416 is a wasteful number, since it uses less digits than its factorization.

40513656416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308726 (or 308718 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 40513656416 in words is "forty billion, five hundred thirteen million, six hundred fifty-six thousand, four hundred sixteen".