2252360440 has 64 divisors (see below), whose sum is σ = 5611109760. Its totient is φ = 806805120.

The previous prime is 2252360423. The next prime is 2252360449. The reversal of 2252360440 is 440632522.

It is a junction number, because it is equal to n+sod(n) for n = 2252360399 and 2252360408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252360449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8722 + ... + 67681.

It is an arithmetic number, because the mean of its divisors is an integer number (87673590).

Almost surely, 2^2252360440 is an apocalyptic number.

2252360440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252360440 is an abundant number, since it is smaller than the sum of its proper divisors (3358749320).

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

2252360440 is a wasteful number, since it uses less digits than its factorization.

2252360440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76492 (or 76488 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2252360440 is about 47459.0396025878. The cubic root of 2252360440 is about 1310.8287667954.

Adding to 2252360440 its reverse (440632522), we get a palindrome (2692992962).

The spelling of 2252360440 in words is "two billion, two hundred fifty-two million, three hundred sixty thousand, four hundred forty".