254435345644 has 6 divisors (see below), whose sum is σ = 445261854884. Its totient is φ = 127217672820.

The previous prime is 254435345641. The next prime is 254435345729. The reversal of 254435345644 is 446543534452.

It is a super-2 number, since 2×254435345644² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254435345641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31804418202 + ... + 31804418209.

Almost surely, 2^254435345644 is an apocalyptic number.

It is an amenable number.

254435345644 is a deficient number, since it is larger than the sum of its proper divisors (190826509240).

254435345644 is a wasteful number, since it uses less digits than its factorization.

254435345644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63608836415 (or 63608836413 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 49.

The spelling of 254435345644 in words is "two hundred fifty-four billion, four hundred thirty-five million, three hundred forty-five thousand, six hundred forty-four".