2048304640 has 40 divisors (see below), whose sum is σ = 4911136560. Its totient is φ = 819320832.

The previous prime is 2048304623. The next prime is 2048304647. The reversal of 2048304640 is 464038402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2048304647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397500 + ... + 402619.

It is an arithmetic number, because the mean of its divisors is an integer number (122778414).

Almost surely, 2^2048304640 is an apocalyptic number.

2048304640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2048304640 is an abundant number, since it is smaller than the sum of its proper divisors (2862831920).

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

2048304640 is an frugal number, since it uses more digits than its factorization.

2048304640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800142 (or 800126 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 2048304640 is about 45258.1996990601. The cubic root of 2048304640 is about 1269.9838053611.

The spelling of 2048304640 in words is "two billion, forty-eight million, three hundred four thousand, six hundred forty".