381217884620 has 24 divisors (see below), whose sum is σ = 801125791200. Its totient is φ = 152378918912.

The previous prime is 381217884617. The next prime is 381217884647. The reversal of 381217884620 is 26488712183.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6735800 + ... + 6792159.

It is an arithmetic number, because the mean of its divisors is an integer number (33380241300).

Almost surely, 2^381217884620 is an apocalyptic number.

It is an amenable number.

381217884620 is an abundant number, since it is smaller than the sum of its proper divisors (419907906580).

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

381217884620 is a wasteful number, since it uses less digits than its factorization.

381217884620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13529377 (or 13529375 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 381217884620 in words is "three hundred eighty-one billion, two hundred seventeen million, eight hundred eighty-four thousand, six hundred twenty".