61224478604 has 12 divisors (see below), whose sum is σ = 107146407144. Its totient is φ = 30611219424.

The previous prime is 61224478537. The next prime is 61224478613. The reversal of 61224478604 is 40687442216.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110849 + ... + 367064.

It is an arithmetic number, because the mean of its divisors is an integer number (8928867262).

Almost surely, 2^61224478604 is an apocalyptic number.

It is an amenable number.

61224478604 is a deficient number, since it is larger than the sum of its proper divisors (45921928540).

61224478604 is a wasteful number, since it uses less digits than its factorization.

61224478604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509944 (or 509942 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 61224478604 in words is "sixty-one billion, two hundred twenty-four million, four hundred seventy-eight thousand, six hundred four".