4000142352 has 80 divisors (see below), whose sum is σ = 11082951360. Its totient is φ = 1239353856.

The previous prime is 4000142329. The next prime is 4000142401. The reversal of 4000142352 is 2532410004.

It is a super-2 number, since 2×4000142352² = 32002277672528183808, which contains 22 as substring.

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, 6958 + ... + 89714.

It is an arithmetic number, because the mean of its divisors is an integer number (138536892).

Almost surely, 2^4000142352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4000142352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5541475680).

4000142352 is an abundant number, since it is smaller than the sum of its proper divisors (7082809008).

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

4000142352 is a wasteful number, since it uses less digits than its factorization.

4000142352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82840 (or 82834 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4000142352 is about 63246.6785847289. The cubic root of 4000142352 is about 1587.4198825544.

Adding to 4000142352 its reverse (2532410004), we get a palindrome (6532552356).

The spelling of 4000142352 in words is "four billion, one hundred forty-two thousand, three hundred fifty-two".