425729180 has 24 divisors (see below), whose sum is σ = 896956368. Its totient is φ = 169734528.

The previous prime is 425729177. The next prime is 425729209. The reversal of 425729180 is 81927524.

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, 28529 + ... + 40808.

It is an arithmetic number, because the mean of its divisors is an integer number (37373182).

Almost surely, 2^425729180 is an apocalyptic number.

It is an amenable number.

425729180 is an abundant number, since it is smaller than the sum of its proper divisors (471227188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425729180 is a wasteful number, since it uses less digits than its factorization.

425729180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69653 (or 69651 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 425729180 is about 20633.2057615873. The cubic root of 425729180 is about 752.2770383176.

The spelling of 425729180 in words is "four hundred twenty-five million, seven hundred twenty-nine thousand, one hundred eighty".