254519984490 has 32 divisors (see below), whose sum is σ = 619215748416. Its totient is φ = 66942241920.

The previous prime is 254519984431. The next prime is 254519984497. The reversal of 254519984490 is 94489915452.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (254519984497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58107396 + ... + 58111775.

It is an arithmetic number, because the mean of its divisors is an integer number (19350492138).

Almost surely, 2^254519984490 is an apocalyptic number.

254519984490 is an abundant number, since it is smaller than the sum of its proper divisors (364695763926).

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

254519984490 is a wasteful number, since it uses less digits than its factorization.

254519984490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116219254.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 254519984490 in words is "two hundred fifty-four billion, five hundred nineteen million, nine hundred eighty-four thousand, four hundred ninety".