375521375808 has 504 divisors, whose sum is σ = 1181581762816. Its totient is φ = 118095667200.

The previous prime is 375521375807. The next prime is 375521375809. The reversal of 375521375808 is 808573125573.

375521375808 is a `hidden beast` number, since 3 + 7 + 5 + 5 + 21 + 37 + 580 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (375521375807) and next prime (375521375809).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (375521375807) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3323197960 + ... + 3323198072.

Almost surely, 2^375521375808 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 375521375808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590790881408).

375521375808 is an abundant number, since it is smaller than the sum of its proper divisors (806060387008).

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

375521375808 is an equidigital number, since it uses as much as digits as its factorization.

375521375808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 375521375808 in words is "three hundred seventy-five billion, five hundred twenty-one million, three hundred seventy-five thousand, eight hundred eight".