254432621466 has 48 divisors (see below), whose sum is σ = 556838530560. Its totient is φ = 83954613600.

The previous prime is 254432621437. The next prime is 254432621473. The reversal of 254432621466 is 664126234452.

It is a happy number.

254432621466 is a `hidden beast` number, since 2 + 5 + 443 + 2 + 62 + 146 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12175615 + ... + 12196493.

It is an arithmetic number, because the mean of its divisors is an integer number (11600802720).

Almost surely, 2^254432621466 is an apocalyptic number.

254432621466 is an abundant number, since it is smaller than the sum of its proper divisors (302405909094).

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

254432621466 is a wasteful number, since it uses less digits than its factorization.

254432621466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27691 (or 27688 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 254432621466 in words is "two hundred fifty-four billion, four hundred thirty-two million, six hundred twenty-one thousand, four hundred sixty-six".