4000828505 has 16 divisors (see below), whose sum is σ = 4828422144. Its totient is φ = 3182414400.

The previous prime is 4000828493. The next prime is 4000828523. The reversal of 4000828505 is 5058280004.

It is not a de Polignac number, because 4000828505 - 2⁶ = 4000828441 is a prime.

It is a Duffinian 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, 1210355 + ... + 1213655.

It is an arithmetic number, because the mean of its divisors is an integer number (301776384).

Almost surely, 2^4000828505 is an apocalyptic number.

It is an amenable number.

4000828505 is a deficient number, since it is larger than the sum of its proper divisors (827593639).

4000828505 is a wasteful number, since it uses less digits than its factorization.

4000828505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 4000828505 is about 63252.1027713704. The cubic root of 4000828505 is about 1587.5106418779.

The spelling of 4000828505 in words is "four billion, eight hundred twenty-eight thousand, five hundred five".