2552521423320 has 96 divisors (see below), whose sum is σ = 9049848696720. Its totient is φ = 618793071360.

The previous prime is 2552521423313. The next prime is 2552521423327. The reversal of 2552521423320 is 233241252552.

It is a happy number.

2552521423320 is a `hidden beast` number, since 2 + 55 + 252 + 14 + 23 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (2552521423313) and next prime (2552521423327).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552521423327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322284099 + ... + 322292018.

Almost surely, 2^{2552521423320} is an apocalyptic number.

2552521423320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552521423320 is an abundant number, since it is smaller than the sum of its proper divisors (6497327273400).

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

2552521423320 is a wasteful number, since it uses less digits than its factorization.

2552521423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644576145 (or 644576138 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 2552521423320 its reverse (233241252552), we get a palindrome (2785762675872).

The spelling of 2552521423320 in words is "two trillion, five hundred fifty-two billion, five hundred twenty-one million, four hundred twenty-three thousand, three hundred twenty".