2544820488 has 72 divisors (see below), whose sum is σ = 8017494030. Its totient is φ = 727090560.

The previous prime is 2544820471. The next prime is 2544820549. The reversal of 2544820488 is 8840284452.

2544820488 is a `hidden beast` number, since 2 + 544 + 8 + 20 + 4 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2535928164 + 8892324 = 50358^2 + 2982^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2544820488² = 12952222632289116288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 357133 + ... + 364188.

Almost surely, 2^2544820488 is an apocalyptic number.

2544820488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2544820488 is an abundant number, since it is smaller than the sum of its proper divisors (5472673542).

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

2544820488 is a wasteful number, since it uses less digits than its factorization.

2544820488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721347 (or 721333 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 45.

The square root of 2544820488 is about 50446.2138123368. The cubic root of 2544820488 is about 1365.2715830426.

The spelling of 2544820488 in words is "two billion, five hundred forty-four million, eight hundred twenty thousand, four hundred eighty-eight".