379881867940 has 24 divisors (see below), whose sum is σ = 797786894520. Its totient is φ = 151946085888.

The previous prime is 379881867931. The next prime is 379881867943. The reversal of 379881867940 is 49768188973.

It can be written as a sum of positive squares in 4 ways, for example, as 88966185984 + 290915681956 = 298272^2 + 539366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 379881867940.

It is not an unprimeable number, because it can be changed into a prime (379881867943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64866 + ... + 874054.

It is an arithmetic number, because the mean of its divisors is an integer number (33241120605).

Almost surely, 2^379881867940 is an apocalyptic number.

It is an amenable number.

379881867940 is an abundant number, since it is smaller than the sum of its proper divisors (417905026580).

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

379881867940 is a wasteful number, since it uses less digits than its factorization.

379881867940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832671 (or 832669 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 70.

The spelling of 379881867940 in words is "three hundred seventy-nine billion, eight hundred eighty-one million, eight hundred sixty-seven thousand, nine hundred forty".