616404044 has 12 divisors (see below), whose sum is σ = 1079067864. Its totient is φ = 308098944.

The previous prime is 616404029. The next prime is 616404049. The reversal of 616404044 is 440404616.

It is a junction number, because it is equal to n+sod(n) for n = 616403998 and 616404016.

It is not an unprimeable number, because it can be changed into a prime (616404049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11429 + ... + 36924.

It is an arithmetic number, because the mean of its divisors is an integer number (89922322).

Almost surely, 2^616404044 is an apocalyptic number.

It is an amenable number.

616404044 is a deficient number, since it is larger than the sum of its proper divisors (462663820).

616404044 is a wasteful number, since it uses less digits than its factorization.

616404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51544 (or 51542 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 616404044 is about 24827.4856560224. The cubic root of 616404044 is about 851.0501640546.

The spelling of 616404044 in words is "six hundred sixteen million, four hundred four thousand, forty-four".