40609573764 has 12 divisors (see below), whose sum is σ = 94755672144. Its totient is φ = 13536524584.

The previous prime is 40609573757. The next prime is 40609573777. The reversal of 40609573764 is 46737590604.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1692065562 + ... + 1692065585.

It is an arithmetic number, because the mean of its divisors is an integer number (7896306012).

Almost surely, 2^40609573764 is an apocalyptic number.

It is an amenable number.

40609573764 is an abundant number, since it is smaller than the sum of its proper divisors (54146098380).

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

40609573764 is a wasteful number, since it uses less digits than its factorization.

40609573764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384131154 (or 3384131152 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 40609573764 in words is "forty billion, six hundred nine million, five hundred seventy-three thousand, seven hundred sixty-four".