34553621456 has 60 divisors (see below), whose sum is σ = 72771702432. Its totient is φ = 15882284544.

The previous prime is 34553621447. The next prime is 34553621503. The reversal of 34553621456 is 65412635543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111941 + ... + 285723.

Almost surely, 2^34553621456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34553621456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36385851216).

34553621456 is an abundant number, since it is smaller than the sum of its proper divisors (38218080976).

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

34553621456 is a wasteful number, since it uses less digits than its factorization.

34553621456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173868 (or 173845 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 44.

The spelling of 34553621456 in words is "thirty-four billion, five hundred fifty-three million, six hundred twenty-one thousand, four hundred fifty-six".