61404872200 has 48 divisors (see below), whose sum is σ = 163161521280. Its totient is φ = 21053098560.

The previous prime is 61404872149. The next prime is 61404872213. The reversal of 61404872200 is 227840416.

It is a happy 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, 21928912 + ... + 21931711.

It is an arithmetic number, because the mean of its divisors is an integer number (3399198360).

Almost surely, 2^61404872200 is an apocalyptic number.

It is an amenable number.

61404872200 is an abundant number, since it is smaller than the sum of its proper divisors (101756649080).

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

61404872200 is a wasteful number, since it uses less digits than its factorization.

61404872200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43860646 (or 43860637 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 61404872200 in words is "sixty-one billion, four hundred four million, eight hundred seventy-two thousand, two hundred".