2928864840 has 64 divisors (see below), whose sum is σ = 9585380160. Its totient is φ = 710027520.

The previous prime is 2928864817. The next prime is 2928864859. The reversal of 2928864840 is 484688292.

2928864840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1108099 + ... + 1110738.

It is an arithmetic number, because the mean of its divisors is an integer number (149771565).

Almost surely, 2^2928864840 is an apocalyptic number.

2928864840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2928864840 is an abundant number, since it is smaller than the sum of its proper divisors (6656515320).

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

2928864840 is a wasteful number, since it uses less digits than its factorization.

2928864840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218862 (or 2218858 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The square root of 2928864840 is about 54118.9877954124. The cubic root of 2928864840 is about 1430.7588584767.

It can be divided in two parts, 2928 and 864840, that added together give a palindrome (867768).

The spelling of 2928864840 in words is "two billion, nine hundred twenty-eight million, eight hundred sixty-four thousand, eight hundred forty".