2520621432 has 48 divisors (see below), whose sum is σ = 7801925040. Its totient is φ = 720177408.

The previous prime is 2520621419. The next prime is 2520621463. The reversal of 2520621432 is 2341260252.

It is a happy number.

2520621432 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 621 + 4 + 32 = 666.

2520621432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2520621396 and 2520621405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2500113 + ... + 2501120.

It is an arithmetic number, because the mean of its divisors is an integer number (162540105).

Almost surely, 2^2520621432 is an apocalyptic number.

It is an amenable number.

2520621432 is an abundant number, since it is smaller than the sum of its proper divisors (5281303608).

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

2520621432 is a wasteful number, since it uses less digits than its factorization.

2520621432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001252 (or 5001245 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2520621432 is about 50205.7908213784. The cubic root of 2520621432 is about 1360.9302732715.

Adding to 2520621432 its reverse (2341260252), we get a palindrome (4861881684).

The spelling of 2520621432 in words is "two billion, five hundred twenty million, six hundred twenty-one thousand, four hundred thirty-two".