365875640 has 64 divisors (see below), whose sum is σ = 915183360. Its totient is φ = 130728960.

The previous prime is 365875619. The next prime is 365875669. The reversal of 365875640 is 46578563.

It is a junction number, because it is equal to n+sod(n) for n = 365875591 and 365875600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4772 + ... + 27468.

It is an arithmetic number, because the mean of its divisors is an integer number (14299740).

Almost surely, 2^365875640 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 365875640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457591680).

365875640 is an abundant number, since it is smaller than the sum of its proper divisors (549307720).

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

365875640 is a wasteful number, since it uses less digits than its factorization.

365875640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22752 (or 22748 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 365875640 is about 19127.8759929063. The cubic root of 365875640 is about 715.2279840892.

The spelling of 365875640 in words is "three hundred sixty-five million, eight hundred seventy-five thousand, six hundred forty".