1049315563920 has 80 divisors (see below), whose sum is σ = 3503099662272. Its totient is φ = 258293061120.

The previous prime is 1049315563913. The next prime is 1049315563931. The reversal of 1049315563920 is 293655139401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1049315563920² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1049315563920.

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, 168156426 + ... + 168162665.

Almost surely, 2^{1049315563920} is an apocalyptic number.

1049315563920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049315563920 is an abundant number, since it is smaller than the sum of its proper divisors (2453784098352).

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

1049315563920 is a wasteful number, since it uses less digits than its factorization.

1049315563920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336319120 (or 336319114 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 1049315563920 in words is "one trillion, forty-nine billion, three hundred fifteen million, five hundred sixty-three thousand, nine hundred twenty".