34681815400 has 24 divisors (see below), whose sum is σ = 80635221270. Its totient is φ = 13872726080.

The previous prime is 34681815367. The next prime is 34681815403. The reversal of 34681815400 is 451818643.

It can be written as a sum of positive squares in 3 ways, for example, as 12565961604 + 22115853796 = 112098^2 + 148714^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (34681815403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86704339 + ... + 86704738.

Almost surely, 2^34681815400 is an apocalyptic number.

It is an amenable number.

34681815400 is an abundant number, since it is smaller than the sum of its proper divisors (45953405870).

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

34681815400 is a wasteful number, since it uses less digits than its factorization.

34681815400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173409093 (or 173409084 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 34681815400 in words is "thirty-four billion, six hundred eighty-one million, eight hundred fifteen thousand, four hundred".