380528502788 has 18 divisors (see below), whose sum is σ = 774647309646. Its totient is φ = 163083643968.

The previous prime is 380528502751. The next prime is 380528502793. The reversal of 380528502788 is 887205825083.

It can be written as a sum of positive squares in only one way, i.e., 291245867584 + 89282635204 = 539672^2 + 298802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 970735781 + ... + 970736172.

It is an arithmetic number, because the mean of its divisors is an integer number (43035961647).

Almost surely, 2^380528502788 is an apocalyptic number.

It is an amenable number.

380528502788 is an abundant number, since it is smaller than the sum of its proper divisors (394118806858).

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

380528502788 is a wasteful number, since it uses less digits than its factorization.

380528502788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941471971 (or 1941471962 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 56.

The spelling of 380528502788 in words is "three hundred eighty billion, five hundred twenty-eight million, five hundred two thousand, seven hundred eighty-eight".