254336540 has 12 divisors (see below), whose sum is σ = 534106776. Its totient is φ = 101734608.

The previous prime is 254336531. The next prime is 254336591. The reversal of 254336540 is 45633452.

It is a junction number, because it is equal to n+sod(n) for n = 254336497 and 254336506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6358394 + ... + 6358433.

It is an arithmetic number, because the mean of its divisors is an integer number (44508898).

Almost surely, 2^254336540 is an apocalyptic number.

254336540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254336540 is an abundant number, since it is smaller than the sum of its proper divisors (279770236).

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

254336540 is a wasteful number, since it uses less digits than its factorization.

254336540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716836 (or 12716834 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 254336540 is about 15947.9321543578. The cubic root of 254336540 is about 633.5821300131.

Adding to 254336540 its reverse (45633452), we get a palindrome (299969992).

The spelling of 254336540 in words is "two hundred fifty-four million, three hundred thirty-six thousand, five hundred forty".