425981320 has 32 divisors (see below), whose sum is σ = 968347800. Its totient is φ = 168634368.

The previous prime is 425981287. The next prime is 425981329. The reversal of 425981320 is 23189524.

It can be written as a sum of positive squares in 4 ways, for example, as 342916324 + 83064996 = 18518^2 + 9114^2 .

It is not an unprimeable number, because it can be changed into a prime (425981329) 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, 51015 + ... + 58774.

Almost surely, 2^425981320 is an apocalyptic number.

425981320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425981320 is an abundant number, since it is smaller than the sum of its proper divisors (542366480).

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

425981320 is a wasteful number, since it uses less digits than its factorization.

425981320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109897 (or 109893 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 425981320 is about 20639.3149111108. The cubic root of 425981320 is about 752.4255221484.

The spelling of 425981320 in words is "four hundred twenty-five million, nine hundred eighty-one thousand, three hundred twenty".