254128193054 has 16 divisors (see below), whose sum is σ = 400599318768. Its totient is φ = 120754815552.

The previous prime is 254128192993. The next prime is 254128193071. The reversal of 254128193054 is 450391821452.

It is a super-2 number, since 2×254128193054² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254128192996 and 254128193014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39928967 + ... + 39935330.

It is an arithmetic number, because the mean of its divisors is an integer number (25037457423).

Almost surely, 2^254128193054 is an apocalyptic number.

254128193054 is a deficient number, since it is larger than the sum of its proper divisors (146471125714).

254128193054 is a wasteful number, since it uses less digits than its factorization.

254128193054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79864379.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 254128193054 in words is "two hundred fifty-four billion, one hundred twenty-eight million, one hundred ninety-three thousand, fifty-four".