235257406620 has 48 divisors (see below), whose sum is σ = 659231196288. Its totient is φ = 62686693440.

The previous prime is 235257406613. The next prime is 235257406663. The reversal of 235257406620 is 26604752532.

It is a happy number.

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, 1441114 + ... + 1596033.

It is an arithmetic number, because the mean of its divisors is an integer number (13733983256).

Almost surely, 2^235257406620 is an apocalyptic number.

235257406620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235257406620 is an abundant number, since it is smaller than the sum of its proper divisors (423973789668).

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

235257406620 is a wasteful number, since it uses less digits than its factorization.

235257406620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038450 (or 3038448 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 235257406620 in words is "two hundred thirty-five billion, two hundred fifty-seven million, four hundred six thousand, six hundred twenty".