61044969800 has 24 divisors (see below), whose sum is σ = 141929555250. Its totient is φ = 24417987840.

The previous prime is 61044969787. The next prime is 61044969841. The reversal of 61044969800 is 896944016.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 50598903364 + 10446066436 = 224942^2 + 102206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152612225 + ... + 152612624.

Almost surely, 2^61044969800 is an apocalyptic number.

It is an amenable number.

61044969800 is an abundant number, since it is smaller than the sum of its proper divisors (80884585450).

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

61044969800 is a wasteful number, since it uses less digits than its factorization.

61044969800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305224865 (or 305224856 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 61044969800 in words is "sixty-one billion, forty-four million, nine hundred sixty-nine thousand, eight hundred".