425322464 has 24 divisors (see below), whose sum is σ = 956976048. Its totient is φ = 182280960.

The previous prime is 425322451. The next prime is 425322481. The reversal of 425322464 is 464223524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 425322464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949157 + ... + 949604.

It is an arithmetic number, because the mean of its divisors is an integer number (39874002).

Almost surely, 2^425322464 is an apocalyptic number.

It is an amenable number.

425322464 is an abundant number, since it is smaller than the sum of its proper divisors (531653584).

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

425322464 is a wasteful number, since it uses less digits than its factorization.

425322464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898778 (or 1898770 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 425322464 is about 20623.3475459247. The cubic root of 425322464 is about 752.0374019423.

Adding to 425322464 its reverse (464223524), we get a palindrome (889545988).

The spelling of 425322464 in words is "four hundred twenty-five million, three hundred twenty-two thousand, four hundred sixty-four".