6405024442 has 8 divisors (see below), whose sum is σ = 9609770016. Its totient is φ = 3201767772.

The previous prime is 6405024413. The next prime is 6405024449. The reversal of 6405024442 is 2444205046.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6405024442² = 82048676205234822728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6405024449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361408 + ... + 378715.

It is an arithmetic number, because the mean of its divisors is an integer number (1201221252).

Almost surely, 2^6405024442 is an apocalyptic number.

6405024442 is a deficient number, since it is larger than the sum of its proper divisors (3204745574).

6405024442 is a wasteful number, since it uses less digits than its factorization.

6405024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744452.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 6405024442 is about 80031.3966015838. The cubic root of 6405024442 is about 1857.1212687279.

Adding to 6405024442 its reverse (2444205046), we get a palindrome (8849229488).

The spelling of 6405024442 in words is "six billion, four hundred five million, twenty-four thousand, four hundred forty-two".