375235640 has 128 divisors (see below), whose sum is σ = 952560000. Its totient is φ = 132077568.

The previous prime is 375235621. The next prime is 375235657. The reversal of 375235640 is 46532573.

It is a Cunningham number, because it is equal to 19371²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 375235640.

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, 2246837 + ... + 2247003.

It is an arithmetic number, because the mean of its divisors is an integer number (7441875).

Almost surely, 2^375235640 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 375235640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476280000).

375235640 is an abundant number, since it is smaller than the sum of its proper divisors (577324360).

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

375235640 is a wasteful number, since it uses less digits than its factorization.

375235640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 375235640 is about 19370.9999741882. Note that the first 4 decimals coincide. The cubic root of 375235640 is about 721.2757987222.

The spelling of 375235640 in words is "three hundred seventy-five million, two hundred thirty-five thousand, six hundred forty".