2028864464 has 20 divisors (see below), whose sum is σ = 4288282080. Its totient is φ = 922211040.

The previous prime is 2028864427. The next prime is 2028864493. The reversal of 2028864464 is 4644688202.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5763644 + ... + 5763995.

It is an arithmetic number, because the mean of its divisors is an integer number (214414104).

Almost surely, 2^2028864464 is an apocalyptic number.

It is an amenable number.

2028864464 is an abundant number, since it is smaller than the sum of its proper divisors (2259417616).

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

2028864464 is a wasteful number, since it uses less digits than its factorization.

2028864464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11527658 (or 11527652 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The square root of 2028864464 is about 45042.9180227036. The cubic root of 2028864464 is about 1265.9532804141.

The spelling of 2028864464 in words is "two billion, twenty-eight million, eight hundred sixty-four thousand, four hundred sixty-four".