385836913980 has 144 divisors (see below), whose sum is σ = 1337779445184. Its totient is φ = 88177351680.

The previous prime is 385836913961. The next prime is 385836913991. The reversal of 385836913980 is 89319638583.

385836913980 is a `hidden beast` number, since 3 + 85 + 83 + 6 + 91 + 398 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9405594 + ... + 9446526.

It is an arithmetic number, because the mean of its divisors is an integer number (9290135036).

Almost surely, 2^385836913980 is an apocalyptic number.

385836913980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385836913980 is an abundant number, since it is smaller than the sum of its proper divisors (951942531204).

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

385836913980 is a wasteful number, since it uses less digits than its factorization.

385836913980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48436 (or 48431 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 385836913980 in words is "three hundred eighty-five billion, eight hundred thirty-six million, nine hundred thirteen thousand, nine hundred eighty".