4020728598 has 32 divisors (see below), whose sum is σ = 8960306400. Its totient is φ = 1336439808.

The previous prime is 4020728587. The next prime is 4020728611. The reversal of 4020728598 is 8958270204.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 86403 + ... + 124526.

It is an arithmetic number, because the mean of its divisors is an integer number (280009575).

Almost surely, 2^4020728598 is an apocalyptic number.

4020728598 is an abundant number, since it is smaller than the sum of its proper divisors (4939577802).

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

4020728598 is a wasteful number, since it uses less digits than its factorization.

4020728598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211293 (or 211287 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 4020728598 is about 63409.2154028103. The cubic root of 4020728598 is about 1590.1383788429.

The spelling of 4020728598 in words is "four billion, twenty million, seven hundred twenty-eight thousand, five hundred ninety-eight".