380555940 has 48 divisors (see below), whose sum is σ = 1121641920. Its totient is φ = 96140160.

The previous prime is 380555887. The next prime is 380555963. The reversal of 380555940 is 49555083.

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, 165771 + ... + 168050.

It is an arithmetic number, because the mean of its divisors is an integer number (23367540).

Almost surely, 2^380555940 is an apocalyptic number.

380555940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380555940 is an abundant number, since it is smaller than the sum of its proper divisors (741085980).

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

380555940 is a wasteful number, since it uses less digits than its factorization.

380555940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333852 (or 333850 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 380555940 is about 19507.8430381219. The cubic root of 380555940 is about 724.6686968241.

The spelling of 380555940 in words is "three hundred eighty million, five hundred fifty-five thousand, nine hundred forty".