8619405044 has 54 divisors (see below), whose sum is σ = 15846903702. Its totient is φ = 4101672000.

The previous prime is 8619405017. The next prime is 8619405061. The reversal of 8619405044 is 4405049168.

It can be written as a sum of positive squares in 3 ways, for example, as 526243600 + 8093161444 = 22940^2 + 89962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8619404992 and 8619405010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57848282 + ... + 57848430.

Almost surely, 2^8619405044 is an apocalyptic number.

It is an amenable number.

8619405044 is a deficient number, since it is larger than the sum of its proper divisors (7227498658).

8619405044 is a wasteful number, since it uses less digits than its factorization.

8619405044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 8619405044 is about 92840.7509879148. The cubic root of 8619405044 is about 2050.3394277543.

The spelling of 8619405044 in words is "eight billion, six hundred nineteen million, four hundred five thousand, forty-four".