380031540 has 96 divisors (see below), whose sum is σ = 1280133120. Its totient is φ = 82290816.

The previous prime is 380031529. The next prime is 380031541. The reversal of 380031540 is 45130083.

It is a self number, because there is not a number n which added to its sum of digits gives 380031540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380031541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15832 + ... + 31791.

It is an arithmetic number, because the mean of its divisors is an integer number (13334720).

Almost surely, 2^380031540 is an apocalyptic number.

380031540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380031540 is an abundant number, since it is smaller than the sum of its proper divisors (900101580).

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

380031540 is a wasteful number, since it uses less digits than its factorization.

380031540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47661 (or 47659 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 380031540 is about 19494.3976567628. The cubic root of 380031540 is about 724.3356831893.

The spelling of 380031540 in words is "three hundred eighty million, thirty-one thousand, five hundred forty".