425044530 has 128 divisors (see below), whose sum is σ = 1175823360. Its totient is φ = 109175040.

The previous prime is 425044511. The next prime is 425044537. The reversal of 425044530 is 35440524.

425044530 is a `hidden beast` number, since 42 + 50 + 44 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 425044494 and 425044503.

It is not an unprimeable number, because it can be changed into a prime (425044537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1568295 + ... + 1568565.

It is an arithmetic number, because the mean of its divisors is an integer number (9186120).

Almost surely, 2^425044530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425044530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587911680).

425044530 is an abundant number, since it is smaller than the sum of its proper divisors (750778830).

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

425044530 is a wasteful number, since it uses less digits than its factorization.

425044530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 425044530 is about 20616.6081109381. The cubic root of 425044530 is about 751.8735558209.

The spelling of 425044530 in words is "four hundred twenty-five million, forty-four thousand, five hundred thirty".