254434332644 has 12 divisors (see below), whose sum is σ = 452806863600. Its totient is φ = 125060943048.

The previous prime is 254434332643. The next prime is 254434332653. The reversal of 254434332644 is 446233434452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 254434332595 and 254434332604.

It is not an unprimeable number, because it can be changed into a prime (254434332643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539055554 + ... + 539056025.

It is an arithmetic number, because the mean of its divisors is an integer number (37733905300).

Almost surely, 2^254434332644 is an apocalyptic number.

It is an amenable number.

254434332644 is a deficient number, since it is larger than the sum of its proper divisors (198372530956).

254434332644 is a wasteful number, since it uses less digits than its factorization.

254434332644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078111642 (or 1078111640 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 44.

The spelling of 254434332644 in words is "two hundred fifty-four billion, four hundred thirty-four million, three hundred thirty-two thousand, six hundred forty-four".