254113131640 has 32 divisors (see below), whose sum is σ = 572811442560. Its totient is φ = 101457360000.

The previous prime is 254113131599. The next prime is 254113131647. The reversal of 254113131640 is 46131311452.

254113131640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254113131647) by changing a digit.

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, 5849736 + ... + 5893015.

It is an arithmetic number, because the mean of its divisors is an integer number (17900357580).

Almost surely, 2^254113131640 is an apocalyptic number.

254113131640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254113131640 is an abundant number, since it is smaller than the sum of its proper divisors (318698310920).

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

254113131640 is a wasteful number, since it uses less digits than its factorization.

254113131640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743303 (or 11743299 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 254113131640 in words is "two hundred fifty-four billion, one hundred thirteen million, one hundred thirty-one thousand, six hundred forty".