104312144520 has 64 divisors (see below), whose sum is σ = 347707152000. Its totient is φ = 27816571584.

The previous prime is 104312144509. The next prime is 104312144579. The reversal of 104312144520 is 25441213401.

104312144520 is a `hidden beast` number, since 10 + 4 + 3 + 121 + 4 + 4 + 520 = 666.

It is a super-2 number, since 2×104312144520² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48291580 + ... + 48293739.

It is an arithmetic number, because the mean of its divisors is an integer number (5432924250).

Almost surely, 2^104312144520 is an apocalyptic number.

104312144520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104312144520 is an abundant number, since it is smaller than the sum of its proper divisors (243395007480).

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

104312144520 is a wasteful number, since it uses less digits than its factorization.

104312144520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96585339 (or 96585329 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 104312144520 its reverse (25441213401), we get a palindrome (129753357921).

It can be divided in two parts, 104312 and 144520, that added together give a 5-th power (248832 = 12⁵).

The spelling of 104312144520 in words is "one hundred four billion, three hundred twelve million, one hundred forty-four thousand, five hundred twenty".