254634540 has 48 divisors (see below), whose sum is σ = 719916288. Its totient is φ = 67241664.

The previous prime is 254634511. The next prime is 254634547. The reversal of 254634540 is 45436452.

It is a super-2 number, since 2×254634540² = 129677497922023200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254634547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14422 + ... + 26781.

It is an arithmetic number, because the mean of its divisors is an integer number (14998256).

Almost surely, 2^254634540 is an apocalyptic number.

254634540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254634540 is an abundant number, since it is smaller than the sum of its proper divisors (465281748).

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

254634540 is a wasteful number, since it uses less digits than its factorization.

254634540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41318 (or 41316 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 254634540 is about 15957.2723233014. The cubic root of 254634540 is about 633.8294844073.

It can be divided in two parts, 25463 and 4540, that added together give a palindrome (30003).

The spelling of 254634540 in words is "two hundred fifty-four million, six hundred thirty-four thousand, five hundred forty".