40740722723 has 4 divisors (see below), whose sum is σ = 41231574888. Its totient is φ = 40249870560.

The previous prime is 40740722719. The next prime is 40740722749. The reversal of 40740722723 is 32722704704.

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

It is a cyclic number.

It is not a de Polignac number, because 40740722723 - 2² = 40740722719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40740712723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245425958 + ... + 245426123.

It is an arithmetic number, because the mean of its divisors is an integer number (10307893722).

Almost surely, 2^40740722723 is an apocalyptic number.

40740722723 is a deficient number, since it is larger than the sum of its proper divisors (490852165).

40740722723 is an equidigital number, since it uses as much as digits as its factorization.

40740722723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490852164.

The product of its (nonzero) digits is 131712, while the sum is 38.

The spelling of 40740722723 in words is "forty billion, seven hundred forty million, seven hundred twenty-two thousand, seven hundred twenty-three".