425531968 has 56 divisors (see below), whose sum is σ = 879799104. Its totient is φ = 204019200.

The previous prime is 425531963. The next prime is 425531971. The reversal of 425531968 is 869135524.

It is not an unprimeable number, because it can be changed into a prime (425531963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166863 + ... + 169393.

Almost surely, 2^425531968 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 425531968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439899552).

425531968 is an abundant number, since it is smaller than the sum of its proper divisors (454267136).

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

425531968 is a wasteful number, since it uses less digits than its factorization.

425531968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651 (or 2641 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 425531968 is about 20628.4262123895. The cubic root of 425531968 is about 752.1608604121.

It can be divided in two parts, 42553 and 1968, that added together give a square (44521 = 211²).

The spelling of 425531968 in words is "four hundred twenty-five million, five hundred thirty-one thousand, nine hundred sixty-eight".