425290464 has 36 divisors (see below), whose sum is σ = 1209420576. Its totient is φ = 141763392.

The previous prime is 425290429. The next prime is 425290483. The reversal of 425290464 is 464092524.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 738064 + ... + 738639.

It is an arithmetic number, because the mean of its divisors is an integer number (33595016).

Almost surely, 2^425290464 is an apocalyptic number.

It is an amenable number.

425290464 is an abundant number, since it is smaller than the sum of its proper divisors (784130112).

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

425290464 is a wasteful number, since it uses less digits than its factorization.

425290464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476719 (or 1476708 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 425290464 is about 20622.5717115979. The cubic root of 425290464 is about 752.0185411152.

The spelling of 425290464 in words is "four hundred twenty-five million, two hundred ninety thousand, four hundred sixty-four".