254402030342251 has 18 divisors (see below), whose sum is σ = 295124060478156. Its totient is φ = 219102227051400.

The previous prime is 254402030342219. The next prime is 254402030342269. The reversal of 254402030342251 is 152243030204452.

It is a happy number.

It is not a de Polignac number, because 254402030342251 - 2⁵ = 254402030342219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254402030342251.

It is not an unprimeable number, because it can be changed into a prime (254402030342281) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2912000805 + ... + 2912088166.

Almost surely, 2^{254402030342251} is an apocalyptic number.

254402030342251 is a deficient number, since it is larger than the sum of its proper divisors (40722030135905).

254402030342251 is a wasteful number, since it uses less digits than its factorization.

254402030342251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824089031 (or 5824089001 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 254402030342251 in words is "two hundred fifty-four trillion, four hundred two billion, thirty million, three hundred forty-two thousand, two hundred fifty-one".