61435260044 has 12 divisors (see below), whose sum is σ = 107659594224. Its totient is φ = 30675375984.

The previous prime is 61435260037. The next prime is 61435260119. The reversal of 61435260044 is 44006253416.

It is a junction number, because it is equal to n+sod(n) for n = 61435259986 and 61435260013.

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 3 ways as a sum of consecutive naturals, for example, 10560239 + ... + 10566054.

It is an arithmetic number, because the mean of its divisors is an integer number (8971632852).

Almost surely, 2^61435260044 is an apocalyptic number.

It is an amenable number.

61435260044 is a deficient number, since it is larger than the sum of its proper divisors (46224334180).

61435260044 is a wasteful number, since it uses less digits than its factorization.

61435260044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21127024 (or 21127022 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 61435260044 in words is "sixty-one billion, four hundred thirty-five million, two hundred sixty thousand, forty-four".