34520478600 has 96 divisors (see below), whose sum is σ = 107301078720. Its totient is φ = 9180721920.

The previous prime is 34520478581. The next prime is 34520478649. The reversal of 34520478600 is 687402543.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146677 + ... + 300923.

It is an arithmetic number, because the mean of its divisors is an integer number (1117719570).

Almost surely, 2^34520478600 is an apocalyptic number.

34520478600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34520478600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53650539360).

34520478600 is an abundant number, since it is smaller than the sum of its proper divisors (72780600120).

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

34520478600 is a wasteful number, since it uses less digits than its factorization.

34520478600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154639 (or 154630 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 34520478600 in words is "thirty-four billion, five hundred twenty million, four hundred seventy-eight thousand, six hundred".