2240981644 has 24 divisors (see below), whose sum is σ = 4348377936. Its totient is φ = 1001928000.

The previous prime is 2240981597. The next prime is 2240981663. The reversal of 2240981644 is 4461890422.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2240981597 and 2240981606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414787 + ... + 420154.

It is an arithmetic number, because the mean of its divisors is an integer number (181182414).

Almost surely, 2^2240981644 is an apocalyptic number.

It is an amenable number.

2240981644 is a deficient number, since it is larger than the sum of its proper divisors (2107396292).

2240981644 is a wasteful number, since it uses less digits than its factorization.

2240981644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835017 (or 835015 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2240981644 is about 47339.0076364091. The cubic root of 2240981644 is about 1308.6176284606.

The spelling of 2240981644 in words is "two billion, two hundred forty million, nine hundred eighty-one thousand, six hundred forty-four".