2572402806 has 32 divisors (see below), whose sum is σ = 5824314720. Its totient is φ = 841288032.

The previous prime is 2572402801. The next prime is 2572402813. The reversal of 2572402806 is 6082042752.

2572402806 is a `hidden beast` number, since 2 + 572 + 4 + 0 + 2 + 80 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572402801) 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, 446545 + ... + 452268.

It is an arithmetic number, because the mean of its divisors is an integer number (182009835).

Almost surely, 2^2572402806 is an apocalyptic number.

2572402806 is an abundant number, since it is smaller than the sum of its proper divisors (3251911914).

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

2572402806 is a wasteful number, since it uses less digits than its factorization.

2572402806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898877 (or 898871 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2572402806 is about 50718.8604564416. The cubic root of 2572402806 is about 1370.1864178813.

The spelling of 2572402806 in words is "two billion, five hundred seventy-two million, four hundred two thousand, eight hundred six".