2544656466 has 16 divisors (see below), whose sum is σ = 5551977888. Its totient is φ = 771108000.

The previous prime is 2544656461. The next prime is 2544656501. The reversal of 2544656466 is 6646564452.

It is not an unprimeable number, because it can be changed into a prime (2544656461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19277635 + ... + 19277766.

It is an arithmetic number, because the mean of its divisors is an integer number (346998618).

Almost surely, 2^2544656466 is an apocalyptic number.

2544656466 is an abundant number, since it is smaller than the sum of its proper divisors (3007321422).

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

2544656466 is a wasteful number, since it uses less digits than its factorization.

2544656466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38555417.

The product of its digits is 4147200, while the sum is 48.

The square root of 2544656466 is about 50444.5880744407. The cubic root of 2544656466 is about 1365.2422503401.

The spelling of 2544656466 in words is "two billion, five hundred forty-four million, six hundred fifty-six thousand, four hundred sixty-six".