1053440012250 has 80 divisors (see below), whose sum is σ = 2945886526440. Its totient is φ = 280917331200.

The previous prime is 1053440012179. The next prime is 1053440012263. The reversal of 1053440012250 is 522100443501.

1053440012250 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 4 + 400 + 1 + 2 + 250 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 122236242129 + 931203770121 = 349623^2 + 964989^2 .

It is a super-2 number, since 2×1053440012250² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25990615 + ... + 26031114.

Almost surely, 2^{1053440012250} is an apocalyptic number.

1053440012250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1053440012250 is an abundant number, since it is smaller than the sum of its proper divisors (1892446514190).

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

1053440012250 is an equidigital number, since it uses as much as digits as its factorization.

1053440012250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52021758 (or 52021739 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1053440012250 its reverse (522100443501), we get a palindrome (1575540455751).

The spelling of 1053440012250 in words is "one trillion, fifty-three billion, four hundred forty million, twelve thousand, two hundred fifty".