254991044 has 72 divisors (see below), whose sum is σ = 568788864. Its totient is φ = 97891200.

The previous prime is 254991019. The next prime is 254991047. The reversal of 254991044 is 440199452.

It is a junction number, because it is equal to n+sod(n) for n = 254990989 and 254991007.

It is not an unprimeable number, because it can be changed into a prime (254991047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246809 + ... + 247839.

Almost surely, 2^254991044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254991044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284394432).

254991044 is an abundant number, since it is smaller than the sum of its proper divisors (313797820).

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

254991044 is a wasteful number, since it uses less digits than its factorization.

254991044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 254991044 is about 15968.4389969715. The cubic root of 254991044 is about 634.1251465414.

The spelling of 254991044 in words is "two hundred fifty-four million, nine hundred ninety-one thousand, forty-four".