426613252520 has 128 divisors (see below), whose sum is σ = 1243569196800. Its totient is φ = 127909933056.

The previous prime is 426613252517. The next prime is 426613252531. The reversal of 426613252520 is 25252316624.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 3015089 + ... + 3153408.

It is an arithmetic number, because the mean of its divisors is an integer number (9715384350).

Almost surely, 2^426613252520 is an apocalyptic number.

426613252520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426613252520 is an abundant number, since it is smaller than the sum of its proper divisors (816955944280).

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

426613252520 is a wasteful number, since it uses less digits than its factorization.

426613252520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168547 (or 6168543 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 426613252520 in words is "four hundred twenty-six billion, six hundred thirteen million, two hundred fifty-two thousand, five hundred twenty".