254240040 has 32 divisors (see below), whose sum is σ = 762720480. Its totient is φ = 67797312.

The previous prime is 254240029. The next prime is 254240069. The reversal of 254240040 is 40042452.

254240040 is digitally balanced in base 2, because in such base 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 = 254239989 and 254240016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059214 + ... + 1059453.

It is an arithmetic number, because the mean of its divisors is an integer number (23835015).

Almost surely, 2^254240040 is an apocalyptic number.

254240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254240040 is an abundant number, since it is smaller than the sum of its proper divisors (508480440).

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

254240040 is a wasteful number, since it uses less digits than its factorization.

254240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118681 (or 2118677 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 254240040 is about 15944.9063967149. The cubic root of 254240040 is about 633.5019889399.

Adding to 254240040 its reverse (40042452), we get a palindrome (294282492).

The spelling of 254240040 in words is "two hundred fifty-four million, two hundred forty thousand, forty".