4000423140 has 120 divisors (see below), whose sum is σ = 14342298432. Its totient is φ = 914379840.

The previous prime is 4000423129. The next prime is 4000423157. The reversal of 4000423140 is 413240004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 165046 + ... + 187725.

Almost surely, 2^4000423140 is an apocalyptic number.

It is an amenable number.

4000423140 is an abundant number, since it is smaller than the sum of its proper divisors (10341875292).

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

4000423140 is a wasteful number, since it uses less digits than its factorization.

4000423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352799 (or 352788 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4000423140 is about 63248.8983303267. The cubic root of 4000423140 is about 1587.4570244013.

Adding to 4000423140 its reverse (413240004), we get a palindrome (4413663144).

The spelling of 4000423140 in words is "four billion, four hundred twenty-three thousand, one hundred forty".