234664574634 has 192 divisors, whose sum is σ = 643257538560. Its totient is φ = 62622383040.

The previous prime is 234664574591. The next prime is 234664574657. The reversal of 234664574634 is 436475466432.

234664574634 is a `hidden beast` number, since 2 + 3 + 4 + 6 + 6 + 4 + 574 + 63 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4563732 + ... + 4614864.

It is an arithmetic number, because the mean of its divisors is an integer number (3350299680).

Almost surely, 2^234664574634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234664574634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321628769280).

234664574634 is an abundant number, since it is smaller than the sum of its proper divisors (408592963926).

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

234664574634 is a wasteful number, since it uses less digits than its factorization.

234664574634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51247 (or 51235 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 54.

The spelling of 234664574634 in words is "two hundred thirty-four billion, six hundred sixty-four million, five hundred seventy-four thousand, six hundred thirty-four".