252667427430 has 128 divisors (see below), whose sum is σ = 690925800960. Its totient is φ = 58586941440.

The previous prime is 252667427423. The next prime is 252667427447. The reversal of 252667427430 is 34724766252.

It is a self number, because there is not a number n which added to its sum of digits gives 252667427430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 545022 + ... + 895758.

It is an arithmetic number, because the mean of its divisors is an integer number (5397857820).

Almost surely, 2^252667427430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252667427430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345462900480).

252667427430 is an abundant number, since it is smaller than the sum of its proper divisors (438258373530).

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

252667427430 is a wasteful number, since it uses less digits than its factorization.

252667427430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350854.

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 252667427430 in words is "two hundred fifty-two billion, six hundred sixty-seven million, four hundred twenty-seven thousand, four hundred thirty".