1053042844 has 24 divisors (see below), whose sum is σ = 2174025728. Its totient is φ = 436745520.

The previous prime is 1053042827. The next prime is 1053042847. The reversal of 1053042844 is 4482403501.

It is a super-2 number, since 2×1053042844² = 2217798462599216672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053042847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605724 + ... + 607459.

Almost surely, 2^1053042844 is an apocalyptic number.

1053042844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1053042844 is an abundant number, since it is smaller than the sum of its proper divisors (1120982884).

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

1053042844 is a wasteful number, since it uses less digits than its factorization.

1053042844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213225 (or 1213223 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1053042844 is about 32450.6216273279. The cubic root of 1053042844 is about 1017.3772307288.

The spelling of 1053042844 in words is "one billion, fifty-three million, forty-two thousand, eight hundred forty-four".