425909376 has 96 divisors (see below), whose sum is σ = 1229798700. Its totient is φ = 141484032.

The previous prime is 425909369. The next prime is 425909387. The reversal of 425909376 is 673909524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 354945600 + 70963776 = 18840^2 + 8424^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526060 + ... + 526868.

Almost surely, 2^425909376 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 425909376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614899350).

425909376 is an abundant number, since it is smaller than the sum of its proper divisors (803889324).

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

425909376 is a wasteful number, since it uses less digits than its factorization.

425909376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 425909376 is about 20637.5719502077. The cubic root of 425909376 is about 752.3831607060.

The spelling of 425909376 in words is "four hundred twenty-five million, nine hundred nine thousand, three hundred seventy-six".