425944962 has 72 divisors (see below), whose sum is σ = 1007312436. Its totient is φ = 129959424.

The previous prime is 425944949. The next prime is 425944993. The reversal of 425944962 is 269449524.

It can be written as a sum of positive squares in 6 ways, for example, as 422672481 + 3272481 = 20559^2 + 1809^2 .

It is a super-2 number, since 2×425944962² = 362858221306362888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 191368 + ... + 193580.

Almost surely, 2^425944962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425944962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503656218).

425944962 is an abundant number, since it is smaller than the sum of its proper divisors (581367474).

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

425944962 is a wasteful number, since it uses less digits than its factorization.

425944962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292 (or 2272 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 425944962 is about 20638.4340975763. The cubic root of 425944962 is about 752.4041147422.

The spelling of 425944962 in words is "four hundred twenty-five million, nine hundred forty-four thousand, nine hundred sixty-two".