233987198464 has 40 divisors (see below), whose sum is σ = 482598629568. Its totient is φ = 113219604480.

The previous prime is 233987198461. The next prime is 233987198477. The reversal of 233987198464 is 464891789332.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 233987198396 and 233987198405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233987198461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7355197 + ... + 7386940.

Almost surely, 2^233987198464 is an apocalyptic number.

It is an amenable number.

233987198464 is an abundant number, since it is smaller than the sum of its proper divisors (248611431104).

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

233987198464 is an equidigital number, since it uses as much as digits as its factorization.

233987198464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14742186 (or 14742170 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 64.

The spelling of 233987198464 in words is "two hundred thirty-three billion, nine hundred eighty-seven million, one hundred ninety-eight thousand, four hundred sixty-four".