815628603950 has 24 divisors (see below), whose sum is σ = 1535347153368. Its totient is φ = 322320699680.

The previous prime is 815628603949. The next prime is 815628603971. The reversal of 815628603950 is 59306826518.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 815628603892 and 815628603901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98264357 + ... + 98272656.

It is an arithmetic number, because the mean of its divisors is an integer number (63972798057).

Almost surely, 2^815628603950 is an apocalyptic number.

815628603950 is a deficient number, since it is larger than the sum of its proper divisors (719718549418).

815628603950 is a wasteful number, since it uses less digits than its factorization.

815628603950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196537108 (or 196537103 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 815628603950 in words is "eight hundred fifteen billion, six hundred twenty-eight million, six hundred three thousand, nine hundred fifty".