10255540 has 24 divisors (see below), whose sum is σ = 21754152. Its totient is φ = 4060800.

The previous prime is 10255529. The next prime is 10255571. The reversal of 10255540 is 4555201.

It can be written as a sum of positive squares in 4 ways, for example, as 6522916 + 3732624 = 2554^2 + 1932^2 .

It is a super-2 number, since 2×10255540² = 210352201383200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 519 + ... + 4558.

It is an arithmetic number, because the mean of its divisors is an integer number (906423).

Almost surely, 2^10255540 is an apocalyptic number.

10255540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10255540 is an abundant number, since it is smaller than the sum of its proper divisors (11498612).

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

10255540 is a wasteful number, since it uses less digits than its factorization.

10255540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187 (or 5185 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 10255540 is about 3202.4272044810. The cubic root of 10255540 is about 217.2632028941.

The spelling of 10255540 in words is "ten million, two hundred fifty-five thousand, five hundred forty".