254354025040 has 40 divisors (see below), whose sum is σ = 594791482248. Its totient is φ = 101153502720.

The previous prime is 254354024933. The next prime is 254354025083. The reversal of 254354025040 is 40520453452.

254354025040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 102197859856 + 152156165184 = 319684^2 + 390072^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 254354024987 and 254354025005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9175251 + ... + 9202930.

Almost surely, 2^254354025040 is an apocalyptic number.

254354025040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254354025040 is an abundant number, since it is smaller than the sum of its proper divisors (340437457208).

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

254354025040 is a wasteful number, since it uses less digits than its factorization.

254354025040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18378367 (or 18378361 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 254354025040 its reverse (40520453452), we get a palindrome (294874478492).

The spelling of 254354025040 in words is "two hundred fifty-four billion, three hundred fifty-four million, twenty-five thousand, forty".