1053611840 has 28 divisors (see below), whose sum is σ = 2508913956. Its totient is φ = 421444608.

The previous prime is 1053611837. The next prime is 1053611869. The reversal of 1053611840 is 481163501.

It can be written as a sum of positive squares in 2 ways, for example, as 571018816 + 482593024 = 23896^2 + 21968^2 .

It is a super-2 number, since 2×1053611840² = 2220195818776371200, which 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 3 ways as a sum of consecutive naturals, for example, 1645949 + ... + 1646588.

Almost surely, 2^1053611840 is an apocalyptic number.

1053611840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053611840 is an abundant number, since it is smaller than the sum of its proper divisors (1455302116).

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

1053611840 is an equidigital number, since it uses as much as digits as its factorization.

1053611840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292554 (or 3292544 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1053611840 is about 32459.3875481347. The cubic root of 1053611840 is about 1017.5604392740.

The spelling of 1053611840 in words is "one billion, fifty-three million, six hundred eleven thousand, eight hundred forty".