254985740 has 24 divisors (see below), whose sum is σ = 536091360. Its totient is φ = 101875968.

The previous prime is 254985727. The next prime is 254985767. The reversal of 254985740 is 47589452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 254985691 and 254985700.

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, 11444 + ... + 25316.

It is an arithmetic number, because the mean of its divisors is an integer number (22337140).

Almost surely, 2^254985740 is an apocalyptic number.

254985740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254985740 is an abundant number, since it is smaller than the sum of its proper divisors (281105620).

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

254985740 is a wasteful number, since it uses less digits than its factorization.

254985740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14801 (or 14799 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 254985740 is about 15968.2729185094. The cubic root of 254985740 is about 634.1207497555.

The spelling of 254985740 in words is "two hundred fifty-four million, nine hundred eighty-five thousand, seven hundred forty".