425654728 has 32 divisors (see below), whose sum is σ = 807667200. Its totient is φ = 210289408.

The previous prime is 425654711. The next prime is 425654759. The reversal of 425654728 is 827456524.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432525 + ... + 433507.

It is an arithmetic number, because the mean of its divisors is an integer number (25239600).

Almost surely, 2^425654728 is an apocalyptic number.

It is an amenable number.

425654728 is a deficient number, since it is larger than the sum of its proper divisors (382012472).

425654728 is a wasteful number, since it uses less digits than its factorization.

425654728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1577 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 425654728 is about 20631.4015035334. The cubic root of 425654728 is about 752.2331827415.

The spelling of 425654728 in words is "four hundred twenty-five million, six hundred fifty-four thousand, seven hundred twenty-eight".