252420911694 has 24 divisors (see below), whose sum is σ = 625042257840. Its totient is φ = 72120260448.

The previous prime is 252420911669. The next prime is 252420911707. The reversal of 252420911694 is 496119024252.

252420911694 is a `hidden beast` number, since 2 + 52 + 420 + 91 + 1 + 6 + 94 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001670159 + ... + 1001670410.

It is an arithmetic number, because the mean of its divisors is an integer number (26043427410).

Almost surely, 2^252420911694 is an apocalyptic number.

252420911694 is an abundant number, since it is smaller than the sum of its proper divisors (372621346146).

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

252420911694 is a wasteful number, since it uses less digits than its factorization.

252420911694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003340584 (or 2003340581 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 252420911694 in words is "two hundred fifty-two billion, four hundred twenty million, nine hundred eleven thousand, six hundred ninety-four".