2240444421994 has 4 divisors (see below), whose sum is σ = 3360666632994. Its totient is φ = 1120222210996.

The previous prime is 2240444421913. The next prime is 2240444422019. The reversal of 2240444421994 is 4991244440422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2231477278969 + 8967143025 = 1493813^2 + 94695^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560111105497 + ... + 560111105500.

Almost surely, 2^{2240444421994} is an apocalyptic number.

2240444421994 is a deficient number, since it is larger than the sum of its proper divisors (1120222211000).

2240444421994 is a wasteful number, since it uses less digits than its factorization.

2240444421994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120222210999.

The product of its (nonzero) digits is 2654208, while the sum is 49.

The spelling of 2240444421994 in words is "two trillion, two hundred forty billion, four hundred forty-four million, four hundred twenty-one thousand, nine hundred ninety-four".