4000422402 has 24 divisors (see below), whose sum is σ = 8670115584. Its totient is φ = 1333084344.

The previous prime is 4000422401. The next prime is 4000422449. The reversal of 4000422402 is 2042240004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4000422401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34543 + ... + 95885.

It is an arithmetic number, because the mean of its divisors is an integer number (361254816).

Almost surely, 2^4000422402 is an apocalyptic number.

4000422402 is an abundant number, since it is smaller than the sum of its proper divisors (4669693182).

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

4000422402 is a wasteful number, since it uses less digits than its factorization.

4000422402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64974 (or 64971 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4000422402 is about 63248.8924962327. The cubic root of 4000422402 is about 1587.4569267830.

Adding to 4000422402 its reverse (2042240004), we get a palindrome (6042662406).

The spelling of 4000422402 in words is "four billion, four hundred twenty-two thousand, four hundred two".