37930405640 has 16 divisors (see below), whose sum is σ = 85343412780. Its totient is φ = 15172162240.

The previous prime is 37930405613. The next prime is 37930405697. The reversal of 37930405640 is 4650403973.

It can be written as a sum of positive squares in 2 ways, for example, as 35202014884 + 2728390756 = 187622^2 + 52234^2 .

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, 474130031 + ... + 474130110.

Almost surely, 2^37930405640 is an apocalyptic number.

It is an amenable number.

37930405640 is an abundant number, since it is smaller than the sum of its proper divisors (47413007140).

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

37930405640 is a wasteful number, since it uses less digits than its factorization.

37930405640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948260152 (or 948260148 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 37930405640 in words is "thirty-seven billion, nine hundred thirty million, four hundred five thousand, six hundred forty".