235612424216538 has 56 divisors (see below), whose sum is σ = 530758514947968. Its totient is φ = 78408088159752.

The previous prime is 235612424216537. The next prime is 235612424216563. The reversal of 235612424216538 is 835612424216532.

235612424216538 is a `hidden beast` number, since 2 + 3 + 5 + 6 + 12 + 42 + 42 + 16 + 538 = 666.

It is a super-2 number, since 2×235612424216538² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (235612424216537) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 132228456 + ... + 133998467.

Almost surely, 2^{235612424216538} is an apocalyptic number.

235612424216538 is an abundant number, since it is smaller than the sum of its proper divisors (295146090731430).

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

235612424216538 is an equidigital number, since it uses as much as digits as its factorization.

235612424216538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266227550 (or 266227535 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 235612424216538 in words is "two hundred thirty-five trillion, six hundred twelve billion, four hundred twenty-four million, two hundred sixteen thousand, five hundred thirty-eight".