4000424402 has 8 divisors (see below), whose sum is σ = 6462224076. Its totient is φ = 1846349712.

The previous prime is 4000424399. The next prime is 4000424443. The reversal of 4000424402 is 2044240004.

It can be written as a sum of positive squares in 2 ways, for example, as 3938943121 + 61481281 = 62761^2 + 7841^2 .

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

It is a super-2 number, since 2×4000424402² = 32006790792234115208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76931213 + ... + 76931264.

Almost surely, 2^4000424402 is an apocalyptic number.

4000424402 is a deficient number, since it is larger than the sum of its proper divisors (2461799674).

4000424402 is a wasteful number, since it uses less digits than its factorization.

4000424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153862492.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4000424402 is about 63248.9083067842. The cubic root of 4000424402 is about 1587.4571913312.

Adding to 4000424402 its reverse (2044240004), we get a palindrome (6044664406).

The spelling of 4000424402 in words is "four billion, four hundred twenty-four thousand, four hundred two".