4000598990 has 16 divisors (see below), whose sum is σ = 7319129760. Its totient is φ = 1574005920.

The previous prime is 4000598971. The next prime is 4000598993. The reversal of 4000598990 is 998950004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000598993) 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, 3278570 + ... + 3279789.

It is an arithmetic number, because the mean of its divisors is an integer number (457445610).

Almost surely, 2^4000598990 is an apocalyptic number.

4000598990 is a deficient number, since it is larger than the sum of its proper divisors (3318530770).

4000598990 is a wasteful number, since it uses less digits than its factorization.

4000598990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558427.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 4000598990 is about 63250.2884578403. The cubic root of 4000598990 is about 1587.4802844597.

The spelling of 4000598990 in words is "four billion, five hundred ninety-eight thousand, nine hundred ninety".