2240189661 has 8 divisors (see below), whose sum is σ = 3144125920. Its totient is φ = 1414856592.

The previous prime is 2240189659. The next prime is 2240189663. The reversal of 2240189661 is 1669810422.

It is an interprime number because it is at equal distance from previous prime (2240189659) and next prime (2240189663).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2240189661 - 2¹ = 2240189659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240189663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19650730 + ... + 19650843.

It is an arithmetic number, because the mean of its divisors is an integer number (393015740).

Almost surely, 2^2240189661 is an apocalyptic number.

It is an amenable number.

2240189661 is a deficient number, since it is larger than the sum of its proper divisors (903936259).

2240189661 is a wasteful number, since it uses less digits than its factorization.

2240189661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39301595.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2240189661 is about 47330.6418824000. The cubic root of 2240189661 is about 1308.4634512301.

The spelling of 2240189661 in words is "two billion, two hundred forty million, one hundred eighty-nine thousand, six hundred sixty-one".