360721944 has 128 divisors (see below), whose sum is σ = 1101196800. Its totient is φ = 108501120.

The previous prime is 360721939. The next prime is 360721957. The reversal of 360721944 is 449127063.

360721944 is a `hidden beast` number, since 3 + 607 + 2 + 1 + 9 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 360721899 and 360721908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372549 + ... + 373515.

It is an arithmetic number, because the mean of its divisors is an integer number (8603100).

Almost surely, 2^360721944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 360721944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550598400).

360721944 is an abundant number, since it is smaller than the sum of its proper divisors (740474856).

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

360721944 is a wasteful number, since it uses less digits than its factorization.

360721944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 360721944 is about 18992.6813272903. The cubic root of 360721944 is about 711.8538762960.

The spelling of 360721944 in words is "three hundred sixty million, seven hundred twenty-one thousand, nine hundred forty-four".