40047757564 has 6 divisors (see below), whose sum is σ = 70083575744. Its totient is φ = 20023878780.

The previous prime is 40047757559. The next prime is 40047757571. The reversal of 40047757564 is 46575774004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005969692 + ... + 5005969699.

Almost surely, 2^40047757564 is an apocalyptic number.

It is an amenable number.

40047757564 is a deficient number, since it is larger than the sum of its proper divisors (30035818180).

40047757564 is a wasteful number, since it uses less digits than its factorization.

40047757564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011939395 (or 10011939393 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 40047757564 in words is "forty billion, forty-seven million, seven hundred fifty-seven thousand, five hundred sixty-four".