425529760 has 96 divisors (see below), whose sum is σ = 1046863440. Its totient is φ = 163258368.

The previous prime is 425529749. The next prime is 425529761. The reversal of 425529760 is 67925524.

It can be written as a sum of positive squares in 8 ways, for example, as 155650576 + 269879184 = 12476^2 + 16428^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (425529761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359364 + ... + 1359676.

Almost surely, 2^425529760 is an apocalyptic number.

425529760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425529760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523431720).

425529760 is an abundant number, since it is smaller than the sum of its proper divisors (621333680).

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

425529760 is a wasteful number, since it uses less digits than its factorization.

425529760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 425529760 is about 20628.3726939378. The cubic root of 425529760 is about 752.1595594726.

The spelling of 425529760 in words is "four hundred twenty-five million, five hundred twenty-nine thousand, seven hundred sixty".