2240737460761 has 4 divisors (see below), whose sum is σ = 2241492174900. Its totient is φ = 2239982746624.

The previous prime is 2240737460747. The next prime is 2240737460789. The reversal of 2240737460761 is 1670647370422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6477835225 + 2234259625536 = 80485^2 + 1494744^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240737460761 - 2⁵ = 2240737460729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240737460161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377352616 + ... + 377358553.

It is an arithmetic number, because the mean of its divisors is an integer number (560373043725).

Almost surely, 2^{2240737460761} is an apocalyptic number.

It is an amenable number.

2240737460761 is a deficient number, since it is larger than the sum of its proper divisors (754714139).

2240737460761 is an equidigital number, since it uses as much as digits as its factorization.

2240737460761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754714138.

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 2240737460761 in words is "two trillion, two hundred forty billion, seven hundred thirty-seven million, four hundred sixty thousand, seven hundred sixty-one".