254402145204056 has 16 divisors (see below), whose sum is σ = 478764184705440. Its totient is φ = 126731695949280.

The previous prime is 254402145204049. The next prime is 254402145204083. The reversal of 254402145204056 is 650402541204452.

It is a happy number.

It is a super-2 number, since 2×254402145204056² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254402145203998 and 254402145204016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58672079291 + ... + 58672083626.

It is an arithmetic number, because the mean of its divisors is an integer number (29922761544090).

Almost surely, 2^{254402145204056} is an apocalyptic number.

It is an amenable number.

254402145204056 is a deficient number, since it is larger than the sum of its proper divisors (224362039501384).

254402145204056 is a wasteful number, since it uses less digits than its factorization.

254402145204056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117344163194 (or 117344163190 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 44.

The spelling of 254402145204056 in words is "two hundred fifty-four trillion, four hundred two billion, one hundred forty-five million, two hundred four thousand, fifty-six".