2554459240 has 16 divisors (see below), whose sum is σ = 5747533380. Its totient is φ = 1021783680.

The previous prime is 2554459181. The next prime is 2554459249. The reversal of 2554459240 is 429544552.

It can be written as a sum of positive squares in 2 ways, for example, as 2552876676 + 1582564 = 50526^2 + 1258^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 63861481 = 2554459240 / (2 + 5 + 5 + 4 + 4 + 5 + 9 + 2 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2554459193 and 2554459202.

It is not an unprimeable number, because it can be changed into a prime (2554459249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31930701 + ... + 31930780.

Almost surely, 2^2554459240 is an apocalyptic number.

2554459240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2554459240 is an abundant number, since it is smaller than the sum of its proper divisors (3193074140).

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

2554459240 is a wasteful number, since it uses less digits than its factorization.

2554459240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63861492 (or 63861488 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 2554459240 is about 50541.6584611150. The cubic root of 2554459240 is about 1366.9931104650.

The spelling of 2554459240 in words is "two billion, five hundred fifty-four million, four hundred fifty-nine thousand, two hundred forty".