37420581136 has 45 divisors (see below), whose sum is σ = 73242938671. Its totient is φ = 18521102336.

The previous prime is 37420581043. The next prime is 37420581157. The reversal of 37420581136 is 63118502473.

The square root of 37420581136 is 193444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1547536 + 37419033600 = 1244^2 + 193440^2 .

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 106007136 + ... + 106007488.

Almost surely, 2^37420581136 is an apocalyptic number.

37420581136 is the 193444-th square number.

It is an amenable number.

37420581136 is a deficient number, since it is larger than the sum of its proper divisors (35822357535).

37420581136 is an frugal number, since it uses more digits than its factorization.

37420581136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 37420581136 in words is "thirty-seven billion, four hundred twenty million, five hundred eighty-one thousand, one hundred thirty-six".