2554492840 has 32 divisors (see below), whose sum is σ = 5945805000. Its totient is φ = 986562304.

The previous prime is 2554492819. The next prime is 2554492891. The reversal of 2554492840 is 482944552.

It can be written as a sum of positive squares in 4 ways, for example, as 1228222116 + 1326270724 = 35046^2 + 36418^2 .

It is a super-2 number, since 2×2554492840² = 13050867339222531200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099915 + ... + 1102234.

Almost surely, 2^2554492840 is an apocalyptic number.

2554492840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2554492840 is an abundant number, since it is smaller than the sum of its proper divisors (3391312160).

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

2554492840 is a wasteful number, since it uses less digits than its factorization.

2554492840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202189 (or 2202185 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 2554492840 is about 50541.9908590867. The cubic root of 2554492840 is about 1366.9991040058. Note that the first 3 decimals are identical.

The spelling of 2554492840 in words is "two billion, five hundred fifty-four million, four hundred ninety-two thousand, eight hundred forty".