254044040 has 32 divisors (see below), whose sum is σ = 572509080. Its totient is φ = 101455872.

The previous prime is 254044033. The next prime is 254044051. The reversal of 254044040 is 40440452.

It can be written as a sum of positive squares in 4 ways, for example, as 192044164 + 61999876 = 13858^2 + 7874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254043997 and 254044015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22202 + ... + 31638.

Almost surely, 2^254044040 is an apocalyptic number.

254044040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254044040 is an abundant number, since it is smaller than the sum of its proper divisors (318465040).

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

254044040 is a wasteful number, since it uses less digits than its factorization.

254044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121 (or 10117 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 254044040 is about 15938.7590483074. The cubic root of 254044040 is about 633.3391529167.

Adding to 254044040 its reverse (40440452), we get a palindrome (294484492).

The spelling of 254044040 in words is "two hundred fifty-four million, forty-four thousand, forty".