425644198 has 48 divisors (see below), whose sum is σ = 798753312. Its totient is φ = 166060800.

The previous prime is 425644159. The next prime is 425644201. The reversal of 425644198 is 891446524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227788 + ... + 229648.

It is an arithmetic number, because the mean of its divisors is an integer number (16640694).

Almost surely, 2^425644198 is an apocalyptic number.

425644198 is a deficient number, since it is larger than the sum of its proper divisors (373109114).

425644198 is a wasteful number, since it uses less digits than its factorization.

425644198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1918 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 425644198 is about 20631.1463084338. The cubic root of 425644198 is about 752.2269796852.

The spelling of 425644198 in words is "four hundred twenty-five million, six hundred forty-four thousand, one hundred ninety-eight".