37665649740 has 48 divisors (see below), whose sum is σ = 105567285600. Its totient is φ = 10034319360.

The previous prime is 37665649709. The next prime is 37665649789. The reversal of 37665649740 is 4794656673.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246165 + ... + 368684.

It is an arithmetic number, because the mean of its divisors is an integer number (2199318450).

Almost surely, 2^37665649740 is an apocalyptic number.

37665649740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

37665649740 is an abundant number, since it is smaller than the sum of its proper divisors (67901635860).

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

37665649740 is a wasteful number, since it uses less digits than its factorization.

37665649740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615882 (or 615880 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 57.

The spelling of 37665649740 in words is "thirty-seven billion, six hundred sixty-five million, six hundred forty-nine thousand, seven hundred forty".