61623058044 has 24 divisors (see below), whose sum is σ = 148745313360. Its totient is φ = 19832708224.

The previous prime is 61623058037. The next prime is 61623058069. The reversal of 61623058044 is 44085032616.

It is a junction number, because it is equal to n+sod(n) for n = 61623057993 and 61623058011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88538529 + ... + 88539224.

It is an arithmetic number, because the mean of its divisors is an integer number (6197721390).

Almost surely, 2^61623058044 is an apocalyptic number.

It is an amenable number.

61623058044 is an abundant number, since it is smaller than the sum of its proper divisors (87122255316).

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

61623058044 is a wasteful number, since it uses less digits than its factorization.

61623058044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177077789 (or 177077787 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 61623058044 in words is "sixty-one billion, six hundred twenty-three million, fifty-eight thousand, forty-four".