4000142998 has 16 divisors (see below), whose sum is σ = 6375049920. Its totient is φ = 1877094216.

The previous prime is 4000142989. The next prime is 4000142999. The reversal of 4000142998 is 8992410004.

It is a happy number.

It is a super-2 number, since 2×4000142998² = 32002288008896856008, 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487836 + ... + 495967.

It is an arithmetic number, because the mean of its divisors is an integer number (398440620).

Almost surely, 2^4000142998 is an apocalyptic number.

4000142998 is a deficient number, since it is larger than the sum of its proper divisors (2374906922).

4000142998 is a wasteful number, since it uses less digits than its factorization.

4000142998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983931.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 4000142998 is about 63246.6836917162. The cubic root of 4000142998 is about 1587.4199680074.

The spelling of 4000142998 in words is "four billion, one hundred forty-two thousand, nine hundred ninety-eight".