254499077140 has 192 divisors, whose sum is σ = 680356454400. Its totient is φ = 77660444160.

The previous prime is 254499077137. The next prime is 254499077227. The reversal of 254499077140 is 41770994452.

It is a happy number.

It is a super-2 number, since 2×254499077140² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41051761 + ... + 41057959.

It is an arithmetic number, because the mean of its divisors is an integer number (3543523200).

Almost surely, 2^254499077140 is an apocalyptic number.

254499077140 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 254499077140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340178227200).

254499077140 is an abundant number, since it is smaller than the sum of its proper divisors (425857377260).

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

254499077140 is a wasteful number, since it uses less digits than its factorization.

254499077140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782 (or 6780 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 254499077140 in words is "two hundred fifty-four billion, four hundred ninety-nine million, seventy-seven thousand, one hundred forty".