254864603140 has 96 divisors (see below), whose sum is σ = 614378790144. Its totient is φ = 86996436480.

The previous prime is 254864603137. The next prime is 254864603207. The reversal of 254864603140 is 41306468452.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76511275 + ... + 76514605.

It is an arithmetic number, because the mean of its divisors is an integer number (6399779064).

Almost surely, 2^254864603140 is an apocalyptic number.

254864603140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254864603140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307189395072).

254864603140 is an abundant number, since it is smaller than the sum of its proper divisors (359514187004).

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

254864603140 is a wasteful number, since it uses less digits than its factorization.

254864603140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597 (or 5595 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 254864603140 in words is "two hundred fifty-four billion, eight hundred sixty-four million, six hundred three thousand, one hundred forty".