378513564 has 48 divisors (see below), whose sum is σ = 1037608320. Its totient is φ = 105877440.

The previous prime is 378513523. The next prime is 378513571. The reversal of 378513564 is 465315873.

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, 108574 + ... + 112005.

It is an arithmetic number, because the mean of its divisors is an integer number (21616840).

Almost surely, 2^378513564 is an apocalyptic number.

It is an amenable number.

378513564 is an abundant number, since it is smaller than the sum of its proper divisors (659094756).

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

378513564 is a wasteful number, since it uses less digits than its factorization.

378513564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220610 (or 220608 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 378513564 is about 19455.4250531825. The cubic root of 378513564 is about 723.3699814136.

The spelling of 378513564 in words is "three hundred seventy-eight million, five hundred thirteen thousand, five hundred sixty-four".