2252662440 has 256 divisors, whose sum is σ = 7927787520. Its totient is φ = 501473280.

The previous prime is 2252662411. The next prime is 2252662441. The reversal of 2252662440 is 442662522.

It is not an unprimeable number, because it can be changed into a prime (2252662441) 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 63 ways as a sum of consecutive naturals, for example, 6381304 + ... + 6381656.

It is an arithmetic number, because the mean of its divisors is an integer number (30967920).

Almost surely, 2^2252662440 is an apocalyptic number.

2252662440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2252662440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3963893760).

2252662440 is an abundant number, since it is smaller than the sum of its proper divisors (5675125080).

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

2252662440 is a wasteful number, since it uses less digits than its factorization.

2252662440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 2252662440 is about 47462.2211869609. The cubic root of 2252662440 is about 1310.8873501656.

The spelling of 2252662440 in words is "two billion, two hundred fifty-two million, six hundred sixty-two thousand, four hundred forty".