204106625026454 has 16 divisors (see below), whose sum is σ = 309334280207568. Its totient is φ = 100995321111552.

The previous prime is 204106625026441. The next prime is 204106625026483. The reversal of 204106625026454 is 454620526601402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204106625026399 and 204106625026408.

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, 27372044 + ... + 34021199.

It is an arithmetic number, because the mean of its divisors is an integer number (19333392512973).

Almost surely, 2^{204106625026454} is an apocalyptic number.

204106625026454 is a deficient number, since it is larger than the sum of its proper divisors (105227655181114).

204106625026454 is a wasteful number, since it uses less digits than its factorization.

204106625026454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61410479.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 204106625026454 in words is "two hundred four trillion, one hundred six billion, six hundred twenty-five million, twenty-six thousand, four hundred fifty-four".