2253144140 has 24 divisors (see below), whose sum is σ = 5095572720. Its totient is φ = 831930048.

The previous prime is 2253144137. The next prime is 2253144149. The reversal of 2253144140 is 414413522.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (2253144149) 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, 4332710 + ... + 4333229.

It is an arithmetic number, because the mean of its divisors is an integer number (212315530).

Almost surely, 2^2253144140 is an apocalyptic number.

2253144140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2253144140 is an abundant number, since it is smaller than the sum of its proper divisors (2842428580).

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

2253144140 is a wasteful number, since it uses less digits than its factorization.

2253144140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8665961 (or 8665959 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2253144140 is about 47467.2954780447. The cubic root of 2253144140 is about 1310.9807817455.

Adding to 2253144140 its reverse (414413522), we get a palindrome (2667557662).

The spelling of 2253144140 in words is "two billion, two hundred fifty-three million, one hundred forty-four thousand, one hundred forty".