4000142996 has 12 divisors (see below), whose sum is σ = 7000985460. Its totient is φ = 1999861440.

The previous prime is 4000142989. The next prime is 4000142999. The reversal of 4000142996 is 6992410004.

It can be written as a sum of positive squares in 2 ways, for example, as 2158531600 + 1841611396 = 46460^2 + 42914^2 .

It is a super-2 number, since 2×4000142996² = 32002287976895712032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000142999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4865 + ... + 89576.

It is an arithmetic number, because the mean of its divisors is an integer number (583415455).

Almost surely, 2^4000142996 is an apocalyptic number.

It is an amenable number.

4000142996 is a deficient number, since it is larger than the sum of its proper divisors (3000842464).

4000142996 is a wasteful number, since it uses less digits than its factorization.

4000142996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105034 (or 105032 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 4000142996 is about 63246.6836759051. The cubic root of 4000142996 is about 1587.4199677429.

The spelling of 4000142996 in words is "four billion, one hundred forty-two thousand, nine hundred ninety-six".