254136325340 has 24 divisors (see below), whose sum is σ = 535424687952. Its totient is φ = 101323405440.

The previous prime is 254136325309. The next prime is 254136325379. The reversal of 254136325340 is 43523631452.

It is a super-2 number, since 2×254136325340² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254136325294 and 254136325303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20689001 + ... + 20701280.

It is an arithmetic number, because the mean of its divisors is an integer number (22309361998).

Almost surely, 2^254136325340 is an apocalyptic number.

254136325340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254136325340 is an abundant number, since it is smaller than the sum of its proper divisors (281288362612).

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

254136325340 is a wasteful number, since it uses less digits than its factorization.

254136325340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41390597 (or 41390595 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 254136325340 its reverse (43523631452), we get a palindrome (297659956792).

The spelling of 254136325340 in words is "two hundred fifty-four billion, one hundred thirty-six million, three hundred twenty-five thousand, three hundred forty".