1953558796 has 48 divisors (see below), whose sum is σ = 4118195200. Its totient is φ = 792125568.

The previous prime is 1953558787. The next prime is 1953558877. The reversal of 1953558796 is 6978553591.

It is a self number, because there is not a number n which added to its sum of digits gives 1953558796.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496525 + ... + 500443.

Almost surely, 2^1953558796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1953558796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2059097600).

1953558796 is an abundant number, since it is smaller than the sum of its proper divisors (2164636404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1953558796 is a wasteful number, since it uses less digits than its factorization.

1953558796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886 (or 4884 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 58.

The square root of 1953558796 is about 44199.0813931692. The cubic root of 1953558796 is about 1250.0925362961.

The spelling of 1953558796 in words is "one billion, nine hundred fifty-three million, five hundred fifty-eight thousand, seven hundred ninety-six".