254999540 has 24 divisors (see below), whose sum is σ = 537546240. Its totient is φ = 101609888.

The previous prime is 254999519. The next prime is 254999567. The reversal of 254999540 is 45999452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18980 + ... + 29499.

It is an arithmetic number, because the mean of its divisors is an integer number (22397760).

Almost surely, 2^254999540 is an apocalyptic number.

254999540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254999540 is an abundant number, since it is smaller than the sum of its proper divisors (282546700).

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

254999540 is a wasteful number, since it uses less digits than its factorization.

254999540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48751 (or 48749 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 254999540 is about 15968.7050195061. The cubic root of 254999540 is about 634.1321892298.

The spelling of 254999540 in words is "two hundred fifty-four million, nine hundred ninety-nine thousand, five hundred forty".