4000402402 has 8 divisors (see below), whose sum is σ = 6140152656. Its totient is φ = 1953684852.

The previous prime is 4000402391. The next prime is 4000402421. The reversal of 4000402402 is 2042040004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23258068 + ... + 23258239.

It is an arithmetic number, because the mean of its divisors is an integer number (767519082).

Almost surely, 2^4000402402 is an apocalyptic number.

4000402402 is a deficient number, since it is larger than the sum of its proper divisors (2139750254).

4000402402 is a wasteful number, since it uses less digits than its factorization.

4000402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46516352.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4000402402 is about 63248.7343904999. The cubic root of 4000402402 is about 1587.4542812964.

Adding to 4000402402 its reverse (2042040004), we get a palindrome (6042442406).

The spelling of 4000402402 in words is "four billion, four hundred two thousand, four hundred two".