37980444321 has 32 divisors (see below), whose sum is σ = 58662299520. Its totient is φ = 24264781632.

The previous prime is 37980444319. The next prime is 37980444323. The reversal of 37980444321 is 12344408973.

It is an interprime number because it is at equal distance from previous prime (37980444319) and next prime (37980444323).

It is not a de Polignac number, because 37980444321 - 2¹ = 37980444319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37980444323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247086 + ... + 370151.

It is an arithmetic number, because the mean of its divisors is an integer number (1833196860).

Almost surely, 2^37980444321 is an apocalyptic number.

It is an amenable number.

37980444321 is a deficient number, since it is larger than the sum of its proper divisors (20681855199).

37980444321 is a wasteful number, since it uses less digits than its factorization.

37980444321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617342 (or 617336 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 37980444321 in words is "thirty-seven billion, nine hundred eighty million, four hundred forty-four thousand, three hundred twenty-one".