375521440 has 96 divisors (see below), whose sum is σ = 1018967040. Its totient is φ = 128108544.

The previous prime is 375521423. The next prime is 375521441. The reversal of 375521440 is 44125573.

It is not an unprimeable number, because it can be changed into a prime (375521441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260241 + ... + 261679.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 2^375521440 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 375521440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509483520).

375521440 is an abundant number, since it is smaller than the sum of its proper divisors (643445600).

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

375521440 is a wasteful number, since it uses less digits than its factorization.

375521440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 375521440 is about 19378.3755769156. The cubic root of 375521440 is about 721.4588732913.

The spelling of 375521440 in words is "three hundred seventy-five million, five hundred twenty-one thousand, four hundred forty".