380851057520 has 20 divisors (see below), whose sum is σ = 885478708920. Its totient is φ = 152340422976.

The previous prime is 380851057463. The next prime is 380851057529. The reversal of 380851057520 is 25750158083.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380851057529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380319030 + ... + 2380319189.

It is an arithmetic number, because the mean of its divisors is an integer number (44273935446).

Almost surely, 2^380851057520 is an apocalyptic number.

It is an amenable number.

380851057520 is an abundant number, since it is smaller than the sum of its proper divisors (504627651400).

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

380851057520 is a wasteful number, since it uses less digits than its factorization.

380851057520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760638232 (or 4760638226 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 380851057520 in words is "three hundred eighty billion, eight hundred fifty-one million, fifty-seven thousand, five hundred twenty".