2047044864 has 72 divisors (see below), whose sum is σ = 5551029792. Its totient is φ = 669460480.

The previous prime is 2047044863. The next prime is 2047044899. The reversal of 2047044864 is 4684407402.

It is a super-3 number, since 3×2047044864³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047044863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15559 + ... + 65849.

It is an arithmetic number, because the mean of its divisors is an integer number (77097636).

Almost surely, 2^2047044864 is an apocalyptic number.

2047044864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047044864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2775514896).

2047044864 is an abundant number, since it is smaller than the sum of its proper divisors (3503984928).

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

2047044864 is an equidigital number, since it uses as much as digits as its factorization.

2047044864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50363 (or 50349 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The square root of 2047044864 is about 45244.2799036519. The cubic root of 2047044864 is about 1269.7233910986.

The spelling of 2047044864 in words is "two billion, forty-seven million, forty-four thousand, eight hundred sixty-four".