61994024404 has 24 divisors (see below), whose sum is σ = 117446611968. Its totient is φ = 28462817760.

The previous prime is 61994024381. The next prime is 61994024419. The reversal of 61994024404 is 40442049916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110992 + ... + 3130855.

It is an arithmetic number, because the mean of its divisors is an integer number (4893608832).

Almost surely, 2^61994024404 is an apocalyptic number.

It is an amenable number.

61994024404 is a deficient number, since it is larger than the sum of its proper divisors (55452587564).

61994024404 is a wasteful number, since it uses less digits than its factorization.

61994024404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242055 (or 6242053 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 61994024404 in words is "sixty-one billion, nine hundred ninety-four million, twenty-four thousand, four hundred four".