2240142465 has 64 divisors (see below), whose sum is σ = 4127708160. Its totient is φ = 1026005760.

The previous prime is 2240142451. The next prime is 2240142481. The reversal of 2240142465 is 5642410422.

It is not a de Polignac number, because 2240142465 - 2⁵ = 2240142433 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 1387999 + ... + 1389611.

It is an arithmetic number, because the mean of its divisors is an integer number (64495440).

Almost surely, 2^2240142465 is an apocalyptic number.

It is an amenable number.

2240142465 is a deficient number, since it is larger than the sum of its proper divisors (1887565695).

2240142465 is a wasteful number, since it uses less digits than its factorization.

2240142465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 2240142465 is about 47330.1433021283. The cubic root of 2240142465 is about 1308.4542623244.

Adding to 2240142465 its reverse (5642410422), we get a palindrome (7882552887).

The spelling of 2240142465 in words is "two billion, two hundred forty million, one hundred forty-two thousand, four hundred sixty-five".