254344040140 has 12 divisors (see below), whose sum is σ = 534122484336. Its totient is φ = 101737616048.

The previous prime is 254344040129. The next prime is 254344040177. The reversal of 254344040140 is 41040443452.

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, 6358600984 + ... + 6358601023.

It is an arithmetic number, because the mean of its divisors is an integer number (44510207028).

Almost surely, 2^254344040140 is an apocalyptic number.

254344040140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254344040140 is an abundant number, since it is smaller than the sum of its proper divisors (279778444196).

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

254344040140 is a wasteful number, since it uses less digits than its factorization.

254344040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717202016 (or 12717202014 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 254344040140 its reverse (41040443452), we get a palindrome (295384483592).

The spelling of 254344040140 in words is "two hundred fifty-four billion, three hundred forty-four million, forty thousand, one hundred forty".