254628140 has 96 divisors (see below), whose sum is σ = 598800384. Its totient is φ = 90351360.

The previous prime is 254628131. The next prime is 254628151. The reversal of 254628140 is 41826452.

254628140 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 254628097 and 254628106.

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, 818585 + ... + 818895.

It is an arithmetic number, because the mean of its divisors is an integer number (6237504).

Almost surely, 2^254628140 is an apocalyptic number.

254628140 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 254628140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299400192).

254628140 is an abundant number, since it is smaller than the sum of its proper divisors (344172244).

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

254628140 is a wasteful number, since it uses less digits than its factorization.

254628140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 254628140 is about 15957.0717865152. The cubic root of 254628140 is about 633.8241741265.

The spelling of 254628140 in words is "two hundred fifty-four million, six hundred twenty-eight thousand, one hundred forty".