1049644775424 has 96 divisors (see below), whose sum is σ = 3198136556160. Its totient is φ = 299898494976.

The previous prime is 1049644775351. The next prime is 1049644775449. The reversal of 1049644775424 is 4245774469401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1049644775424² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12159894 + ... + 12245909.

It is an arithmetic number, because the mean of its divisors is an integer number (33313922460).

Almost surely, 2^{1049644775424} is an apocalyptic number.

1049644775424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1049644775424 is an abundant number, since it is smaller than the sum of its proper divisors (2148491780736).

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

1049644775424 is an equidigital number, since it uses as much as digits as its factorization.

1049644775424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24405835 (or 24405815 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 1049644775424 in words is "one trillion, forty-nine billion, six hundred forty-four million, seven hundred seventy-five thousand, four hundred twenty-four".