2253140440 has 16 divisors (see below), whose sum is σ = 5069566080. Its totient is φ = 901256160.

The previous prime is 2253140429. The next prime is 2253140447. The reversal of 2253140440 is 440413522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253140447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28164216 + ... + 28164295.

It is an arithmetic number, because the mean of its divisors is an integer number (316847880).

Almost surely, 2^2253140440 is an apocalyptic number.

2253140440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2253140440 is an abundant number, since it is smaller than the sum of its proper divisors (2816425640).

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

2253140440 is a wasteful number, since it uses less digits than its factorization.

2253140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56328522 (or 56328518 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2253140440 is about 47467.2565038259. The cubic root of 2253140440 is about 1310.9800641362.

Adding to 2253140440 its reverse (440413522), we get a palindrome (2693553962).

The spelling of 2253140440 in words is "two billion, two hundred fifty-three million, one hundred forty thousand, four hundred forty".