2240644042 has 64 divisors (see below), whose sum is σ = 4227277824. Its totient is φ = 867179520.

The previous prime is 2240644033. The next prime is 2240644067. The reversal of 2240644042 is 2404460422.

It is a self number, because there is not a number n which added to its sum of digits gives 2240644042.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1819567 + ... + 1820797.

It is an arithmetic number, because the mean of its divisors is an integer number (66051216).

Almost surely, 2^2240644042 is an apocalyptic number.

2240644042 is a deficient number, since it is larger than the sum of its proper divisors (1986633782).

2240644042 is a wasteful number, since it uses less digits than its factorization.

2240644042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2240644042 is about 47335.4417112590. The cubic root of 2240644042 is about 1308.5519111121.

The spelling of 2240644042 in words is "two billion, two hundred forty million, six hundred forty-four thousand, forty-two".