4002533998 has 12 divisors (see below), whose sum is σ = 6146677008. Its totient is φ = 1954724100.

The previous prime is 4002533993. The next prime is 4002534001. The reversal of 4002533998 is 8993352004.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002533993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537478 + ... + 544873.

It is an arithmetic number, because the mean of its divisors is an integer number (512223084).

Almost surely, 2^4002533998 is an apocalyptic number.

4002533998 is a deficient number, since it is larger than the sum of its proper divisors (2144143010).

4002533998 is a wasteful number, since it uses less digits than its factorization.

4002533998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082439 (or 1082396 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 4002533998 is about 63265.5830448120. The cubic root of 4002533998 is about 1587.7361871331.

The spelling of 4002533998 in words is "four billion, two million, five hundred thirty-three thousand, nine hundred ninety-eight".