8418390956 has 12 divisors (see below), whose sum is σ = 15598783368. Its totient is φ = 3961595712.

The previous prime is 8418390941. The next prime is 8418390989. The reversal of 8418390956 is 6590938148.

It is a junction number, because it is equal to n+sod(n) for n = 8418390898 and 8418390907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61899866 + ... + 61900001.

It is an arithmetic number, because the mean of its divisors is an integer number (1299898614).

Almost surely, 2^8418390956 is an apocalyptic number.

It is an amenable number.

8418390956 is a deficient number, since it is larger than the sum of its proper divisors (7180392412).

8418390956 is a wasteful number, since it uses less digits than its factorization.

8418390956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123799888 (or 123799886 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 8418390956 is about 91751.7899334939. The cubic root of 8418390956 is about 2034.2751640632.

The spelling of 8418390956 in words is "eight billion, four hundred eighteen million, three hundred ninety thousand, nine hundred fifty-six".