425671344 has 120 divisors (see below), whose sum is σ = 1369903392. Its totient is φ = 120867840.

The previous prime is 425671321. The next prime is 425671357. The reversal of 425671344 is 443176524.

425671344 is a `hidden beast` number, since 42 + 567 + 13 + 44 = 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 = 425671299 and 425671308.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173164 + ... + 175604.

Almost surely, 2^425671344 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 425671344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684951696).

425671344 is an abundant number, since it is smaller than the sum of its proper divisors (944232048).

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

425671344 is a wasteful number, since it uses less digits than its factorization.

425671344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635 (or 2626 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 425671344 is about 20631.8041867404. The cubic root of 425671344 is about 752.2429707560.

The spelling of 425671344 in words is "four hundred twenty-five million, six hundred seventy-one thousand, three hundred forty-four".