234512444446520 has 64 divisors (see below), whose sum is σ = 529218296560800. Its totient is φ = 93527108812800.

The previous prime is 234512444446493. The next prime is 234512444446667. The reversal of 234512444446520 is 25644444215432.

It is a super-2 number, since 2×234512444446520² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 12144047 + ... + 24829473.

Almost surely, 2^{234512444446520} is an apocalyptic number.

234512444446520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234512444446520 is an abundant number, since it is smaller than the sum of its proper divisors (294705852114280).

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

234512444446520 is a wasteful number, since it uses less digits than its factorization.

234512444446520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12686808 (or 12686804 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 50.

The spelling of 234512444446520 in words is "two hundred thirty-four trillion, five hundred twelve billion, four hundred forty-four million, four hundred forty-six thousand, five hundred twenty".