40044026604264 has 64 divisors (see below), whose sum is σ = 104468925104640. Its totient is φ = 12766897133760.

The previous prime is 40044026604221. The next prime is 40044026604383. The reversal of 40044026604264 is 46240662044004.

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, 7105719 + ... + 11427129.

It is an arithmetic number, because the mean of its divisors is an integer number (1632326954760).

Almost surely, 2^{40044026604264} is an apocalyptic number.

It is an amenable number.

40044026604264 is an abundant number, since it is smaller than the sum of its proper divisors (64424898500376).

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

40044026604264 is a wasteful number, since it uses less digits than its factorization.

40044026604264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338230 (or 4338226 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

Adding to 40044026604264 its reverse (46240662044004), we get a palindrome (86284688648268).

The spelling of 40044026604264 in words is "forty trillion, forty-four billion, twenty-six million, six hundred four thousand, two hundred sixty-four".