37444865472 has 168 divisors, whose sum is σ = 125165612000. Its totient is φ = 10698476544.

The previous prime is 37444865407. The next prime is 37444865501. The reversal of 37444865472 is 27456844473.

37444865472 is a `hidden beast` number, since 3 + 7 + 44 + 486 + 54 + 72 = 666.

37444865472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102804 + ... + 292332.

Almost surely, 2^37444865472 is an apocalyptic number.

37444865472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37444865472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62582806000).

37444865472 is an abundant number, since it is smaller than the sum of its proper divisors (87720746528).

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

37444865472 is a wasteful number, since it uses less digits than its factorization.

37444865472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189568 (or 189541 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 54.

The spelling of 37444865472 in words is "thirty-seven billion, four hundred forty-four million, eight hundred sixty-five thousand, four hundred seventy-two".