2421207844 has 48 divisors (see below), whose sum is σ = 4683349440. Its totient is φ = 1086099840.

The previous prime is 2421207821. The next prime is 2421207853. The reversal of 2421207844 is 4487021242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404367 + ... + 1406089.

It is an arithmetic number, because the mean of its divisors is an integer number (97569780).

Almost surely, 2^2421207844 is an apocalyptic number.

It is an amenable number.

2421207844 is a deficient number, since it is larger than the sum of its proper divisors (2262141596).

2421207844 is a wasteful number, since it uses less digits than its factorization.

2421207844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 2421207844 is about 49205.7704339643. The cubic root of 2421207844 is about 1342.7980155108.

The spelling of 2421207844 in words is "two billion, four hundred twenty-one million, two hundred seven thousand, eight hundred forty-four".