5644042402 has 8 divisors (see below), whose sum is σ = 8475654096. Its totient is φ = 2818824372.

The previous prime is 5644042351. The next prime is 5644042403. The reversal of 5644042402 is 2042404465.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (5644042403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596208 + ... + 1599739.

It is an arithmetic number, because the mean of its divisors is an integer number (1059456762).

Almost surely, 2^5644042402 is an apocalyptic number.

5644042402 is a deficient number, since it is larger than the sum of its proper divisors (2831611694).

5644042402 is a wasteful number, since it uses less digits than its factorization.

5644042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196832.

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

The square root of 5644042402 is about 75126.8420872327. The cubic root of 5644042402 is about 1780.4512597836.

Adding to 5644042402 its reverse (2042404465), we get a palindrome (7686446867).

The spelling of 5644042402 in words is "five billion, six hundred forty-four million, forty-two thousand, four hundred two".