37318493840 has 40 divisors (see below), whose sum is σ = 91869354360. Its totient is φ = 14049314816.

The previous prime is 37318493833. The next prime is 37318493911. The reversal of 37318493840 is 4839481373.

It can be written as a sum of positive squares in 4 ways, for example, as 12641854096 + 24676639744 = 112436^2 + 157088^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×37318493840² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 13718675 + ... + 13721394.

It is an arithmetic number, because the mean of its divisors is an integer number (2296733859).

Almost surely, 2^37318493840 is an apocalyptic number.

It is an amenable number.

37318493840 is an abundant number, since it is smaller than the sum of its proper divisors (54550860520).

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

37318493840 is a wasteful number, since it uses less digits than its factorization.

37318493840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27440099 (or 27440093 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 37318493840 in words is "thirty-seven billion, three hundred eighteen million, four hundred ninety-three thousand, eight hundred forty".