2240057709 has 6 divisors (see below), whose sum is σ = 3235638926. Its totient is φ = 1493371800.

The previous prime is 2240057641. The next prime is 2240057711. The reversal of 2240057709 is 9077500422.

It can be written as a sum of positive squares in only one way, i.e., 2215584900 + 24472809 = 47070^2 + 4947^2 .

It is not a de Polignac number, because 2240057709 - 2¹¹ = 2240055661 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 (2240057909) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 124447642 + ... + 124447659.

Almost surely, 2^2240057709 is an apocalyptic number.

It is an amenable number.

2240057709 is a deficient number, since it is larger than the sum of its proper divisors (995581217).

2240057709 is a wasteful number, since it uses less digits than its factorization.

2240057709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248895307 (or 248895304 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 2240057709 is about 47329.2479234564. The cubic root of 2240057709 is about 1308.4377602864.

The spelling of 2240057709 in words is "two billion, two hundred forty million, fifty-seven thousand, seven hundred nine".