425162628 has 96 divisors (see below), whose sum is σ = 1210245120. Its totient is φ = 128005920.

The previous prime is 425162609. The next prime is 425162641. The reversal of 425162628 is 826261524.

It is a happy number.

425162628 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 626 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 425162592 and 425162601.

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, 197325 + ... + 199467.

It is an arithmetic number, because the mean of its divisors is an integer number (12606720).

Almost surely, 2^425162628 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 425162628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605122560).

425162628 is an abundant number, since it is smaller than the sum of its proper divisors (785082492).

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

425162628 is a wasteful number, since it uses less digits than its factorization.

425162628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 2326 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 425162628 is about 20619.4720591969. The cubic root of 425162628 is about 751.9431850278.

The spelling of 425162628 in words is "four hundred twenty-five million, one hundred sixty-two thousand, six hundred twenty-eight".