254030622642 has 12 divisors (see below), whose sum is σ = 550399682430. Its totient is φ = 84676874208.

The previous prime is 254030622631. The next prime is 254030622679. The reversal of 254030622642 is 246226030452.

254030622642 is a `hidden beast` number, since 2 + 5 + 4 + 0 + 3 + 0 + 6 + 2 + 2 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 217686631761 + 36343990881 = 466569^2 + 190641^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254030622597 and 254030622606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7056406167 + ... + 7056406202.

Almost surely, 2^254030622642 is an apocalyptic number.

254030622642 is an abundant number, since it is smaller than the sum of its proper divisors (296369059788).

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

254030622642 is a wasteful number, since it uses less digits than its factorization.

254030622642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14112812377 (or 14112812374 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 254030622642 in words is "two hundred fifty-four billion, thirty million, six hundred twenty-two thousand, six hundred forty-two".