530942440 has 96 divisors (see below), whose sum is σ = 1437733800. Its totient is φ = 175741440.

The previous prime is 530942431. The next prime is 530942471. The reversal of 530942440 is 44249035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 383611396 + 147331044 = 19586^2 + 12138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52170 + ... + 61510.

Almost surely, 2^530942440 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 530942440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718866900).

530942440 is an abundant number, since it is smaller than the sum of its proper divisors (906791360).

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

530942440 is a wasteful number, since it uses less digits than its factorization.

530942440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395 (or 9384 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 530942440 is about 23042.1882641385. The cubic root of 530942440 is about 809.7466260297.

The spelling of 530942440 in words is "five hundred thirty million, nine hundred forty-two thousand, four hundred forty".