4000400434 has 8 divisors (see below), whose sum is σ = 6003515520. Its totient is φ = 1999228596.

The previous prime is 4000400329. The next prime is 4000400449. The reversal of 4000400434 is 4340040004.

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, 480654 + ... + 488905.

It is an arithmetic number, because the mean of its divisors is an integer number (750439440).

Almost surely, 2^4000400434 is an apocalyptic number.

4000400434 is a deficient number, since it is larger than the sum of its proper divisors (2003115086).

4000400434 is a wasteful number, since it uses less digits than its factorization.

4000400434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971624.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4000400434 is about 63248.7188328744. The cubic root of 4000400434 is about 1587.4540209801.

Adding to 4000400434 its reverse (4340040004), we get a palindrome (8340440438).

The spelling of 4000400434 in words is "four billion, four hundred thousand, four hundred thirty-four".