2553052440 has 64 divisors (see below), whose sum is σ = 7992172800. Its totient is φ = 651212672.

The previous prime is 2553052387. The next prime is 2553052441. The reversal of 2553052440 is 442503552.

It is a super-2 number, since 2×2553052440² = 13036153522779907200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2553052398 and 2553052407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553052441) 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, 459750 + ... + 465269.

It is an arithmetic number, because the mean of its divisors is an integer number (124877700).

Almost surely, 2^2553052440 is an apocalyptic number.

2553052440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553052440 is an abundant number, since it is smaller than the sum of its proper divisors (5439120360).

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

2553052440 is a wasteful number, since it uses less digits than its factorization.

2553052440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925056 (or 925052 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2553052440 is about 50527.7393121838. The cubic root of 2553052440 is about 1366.7421194379.

Adding to 2553052440 its reverse (442503552), we get a palindrome (2995555992).

The spelling of 2553052440 in words is "two billion, five hundred fifty-three million, fifty-two thousand, four hundred forty".