2543401602 has 24 divisors (see below), whose sum is σ = 6297947136. Its totient is φ = 726686136.

The previous prime is 2543401591. The next prime is 2543401631. The reversal of 2543401602 is 2061043452.

2543401602 is a `hidden beast` number, since 2 + 54 + 3 + 4 + 0 + 1 + 602 = 666.

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, 10092738 + ... + 10092989.

It is an arithmetic number, because the mean of its divisors is an integer number (262414464).

Almost surely, 2^2543401602 is an apocalyptic number.

2543401602 is an abundant number, since it is smaller than the sum of its proper divisors (3754545534).

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

2543401602 is a wasteful number, since it uses less digits than its factorization.

2543401602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20185742 (or 20185739 counting only the distinct ones).

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

The square root of 2543401602 is about 50432.1484967674. The cubic root of 2543401602 is about 1365.0177963304.

The spelling of 2543401602 in words is "two billion, five hundred forty-three million, four hundred one thousand, six hundred two".