254042420544 has 84 divisors (see below), whose sum is σ = 794363724960. Its totient is φ = 76982549760.

The previous prime is 254042420537. The next prime is 254042420551. The reversal of 254042420544 is 445024240452.

254042420544 is a `hidden beast` number, since 2 + 5 + 404 + 2 + 4 + 205 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (254042420537) and next prime (254042420551).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 254042420499 and 254042420508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20041204 + ... + 20053875.

Almost surely, 2^254042420544 is an apocalyptic number.

254042420544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

254042420544 is an abundant number, since it is smaller than the sum of its proper divisors (540321304416).

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

254042420544 is a wasteful number, since it uses less digits than its factorization.

254042420544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40095108 (or 40095095 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 36.

Adding to 254042420544 its reverse (445024240452), we get a palindrome (699066660996).

The spelling of 254042420544 in words is "two hundred fifty-four billion, forty-two million, four hundred twenty thousand, five hundred forty-four".