378780444 has 72 divisors (see below), whose sum is σ = 1129576448. Its totient is φ = 104729760.

The previous prime is 378780419. The next prime is 378780481. The reversal of 378780444 is 444087873.

It is a self number, because there is not a number n which added to its sum of digits gives 378780444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16432 + ... + 32055.

Almost surely, 2^378780444 is an apocalyptic number.

It is an amenable number.

378780444 is an abundant number, since it is smaller than the sum of its proper divisors (750796004).

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

378780444 is a wasteful number, since it uses less digits than its factorization.

378780444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48535 (or 48530 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The square root of 378780444 is about 19462.2825999419. The cubic root of 378780444 is about 723.5399512153.

The spelling of 378780444 in words is "three hundred seventy-eight million, seven hundred eighty thousand, four hundred forty-four".