2520605408 has 24 divisors (see below), whose sum is σ = 4967634672. Its totient is φ = 1258983936.

The previous prime is 2520605407. The next prime is 2520605411. The reversal of 2520605408 is 8045060252.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520605407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9785 + ... + 71672.

It is an arithmetic number, because the mean of its divisors is an integer number (206984778).

Almost surely, 2^2520605408 is an apocalyptic number.

It is an amenable number.

2520605408 is a deficient number, since it is larger than the sum of its proper divisors (2447029264).

2520605408 is an equidigital number, since it uses as much as digits as its factorization.

2520605408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82434 (or 82426 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2520605408 is about 50205.6312379398. The cubic root of 2520605408 is about 1360.9273893804.

The spelling of 2520605408 in words is "two billion, five hundred twenty million, six hundred five thousand, four hundred eight".