4000400142234 has 32 divisors (see below), whose sum is σ = 8006864463360. Its totient is φ = 1332456193200.

The previous prime is 4000400142223. The next prime is 4000400142253. The reversal of 4000400142234 is 4322410040004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166539477 + ... + 166563495.

It is an arithmetic number, because the mean of its divisors is an integer number (250214514480).

Almost surely, 2^{4000400142234} is an apocalyptic number.

4000400142234 is an abundant number, since it is smaller than the sum of its proper divisors (4006464321126).

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

4000400142234 is a wasteful number, since it uses less digits than its factorization.

4000400142234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43906.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 4000400142234 its reverse (4322410040004), we get a palindrome (8322810182238).

The spelling of 4000400142234 in words is "four trillion, four hundred million, one hundred forty-two thousand, two hundred thirty-four".