530403444 has 48 divisors (see below), whose sum is σ = 1388499840. Its totient is φ = 175080960.

The previous prime is 530403439. The next prime is 530403491. The reversal of 530403444 is 444304035.

It is a super-2 number, since 2×530403444² = 562655626814122272, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12717 + ... + 34964.

It is an arithmetic number, because the mean of its divisors is an integer number (28927080).

Almost surely, 2^530403444 is an apocalyptic number.

530403444 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

530403444 is an abundant number, since it is smaller than the sum of its proper divisors (858096396).

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

530403444 is a wasteful number, since it uses less digits than its factorization.

530403444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47797 (or 47789 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 530403444 is about 23030.4894433444. The cubic root of 530403444 is about 809.4725235200.

Adding to 530403444 its reverse (444304035), we get a palindrome (974707479).

The spelling of 530403444 in words is "five hundred thirty million, four hundred three thousand, four hundred forty-four".