381461598990 has 64 divisors (see below), whose sum is σ = 1021792665600. Its totient is φ = 101266919712.

The previous prime is 381461598977. The next prime is 381461599003. The reversal of 381461598990 is 99895164183.

381461598990 is a `hidden beast` number, since 3 + 8 + 1 + 4 + 615 + 9 + 8 + 9 + 9 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (381461598977) and next prime (381461599003).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3107550 + ... + 3227969.

It is an arithmetic number, because the mean of its divisors is an integer number (15965510400).

Almost surely, 2^381461598990 is an apocalyptic number.

381461598990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381461598990 is an abundant number, since it is smaller than the sum of its proper divisors (640331066610).

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

381461598990 is a wasteful number, since it uses less digits than its factorization.

381461598990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335758 (or 6335752 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 381461598990 in words is "three hundred eighty-one billion, four hundred sixty-one million, five hundred ninety-eight thousand, nine hundred ninety".