40224720067 has 4 divisors (see below), whose sum is σ = 45971108656. Its totient is φ = 34478331480.

The previous prime is 40224720059. The next prime is 40224720091. The reversal of 40224720067 is 76002742204.

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 40224720067 - 2³ = 40224720059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40224720037) 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, 2873194284 + ... + 2873194297.

It is an arithmetic number, because the mean of its divisors is an integer number (11492777164).

Almost surely, 2^40224720067 is an apocalyptic number.

40224720067 is a deficient number, since it is larger than the sum of its proper divisors (5746388589).

40224720067 is an equidigital number, since it uses as much as digits as its factorization.

40224720067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746388588.

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 40224720067 in words is "forty billion, two hundred twenty-four million, seven hundred twenty thousand, sixty-seven".