425151660 has 96 divisors (see below), whose sum is σ = 1227985920. Its totient is φ = 109846528.

The previous prime is 425151659. The next prime is 425151721. The reversal of 425151660 is 66151524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301036 + ... + 302444.

It is an arithmetic number, because the mean of its divisors is an integer number (12791520).

Almost surely, 2^425151660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425151660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613992960).

425151660 is an abundant number, since it is smaller than the sum of its proper divisors (802834260).

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

425151660 is a wasteful number, since it uses less digits than its factorization.

425151660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 425151660 is about 20619.2060952889. The cubic root of 425151660 is about 751.9367189658.

The spelling of 425151660 in words is "four hundred twenty-five million, one hundred fifty-one thousand, six hundred sixty".