2520240804 has 45 divisors (see below), whose sum is σ = 6590770417. Its totient is φ = 839779056.

The previous prime is 2520240799. The next prime is 2520240817. The reversal of 2520240804 is 4080420252.

It is a happy number.

The square root of 2520240804 is 50202.

It is a perfect power (a square), and thus also a powerful number.

2520240804 is a `hidden beast` number, since 252 + 0 + 2 + 408 + 0 + 4 = 666.

2520240804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1583880804 + 936360000 = 39798^2 + 30600^2 .

It is a super-2 number, since 2×2520240804² = 12703227420293132832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 902242 + ... + 905030.

Almost surely, 2^2520240804 is an apocalyptic number.

2520240804 is the 50202-nd square number.

It is an amenable number.

2520240804 is an abundant number, since it is smaller than the sum of its proper divisors (4070529613).

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

2520240804 is an frugal number, since it uses more digits than its factorization.

2520240804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The cubic root of 2520240804 is about 1360.8617671169.

The spelling of 2520240804 in words is "two billion, five hundred twenty million, two hundred forty thousand, eight hundred four".