2048440321 has 4 divisors (see below), whose sum is σ = 2096078512. Its totient is φ = 2000802132.

The previous prime is 2048440309. The next prime is 2048440327. The reversal of 2048440321 is 1230448402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1230448402 = 2 ⋅615224201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2048440321 is a prime.

It is a super-2 number, since 2×2048440321² = 8392215497397166082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2048440321.

It is not an unprimeable number, because it can be changed into a prime (2048440327) 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, 23819031 + ... + 23819116.

It is an arithmetic number, because the mean of its divisors is an integer number (524019628).

Almost surely, 2^2048440321 is an apocalyptic number.

It is an amenable number.

2048440321 is a deficient number, since it is larger than the sum of its proper divisors (47638191).

2048440321 is an equidigital number, since it uses as much as digits as its factorization.

2048440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47638190.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2048440321 is about 45259.6986401810. The cubic root of 2048440321 is about 1270.0118462532.

Adding to 2048440321 its reverse (1230448402), we get a palindrome (3278888723).

The spelling of 2048440321 in words is "two billion, forty-eight million, four hundred forty thousand, three hundred twenty-one".