40777785223 has 4 divisors (see below), whose sum is σ = 46603183120. Its totient is φ = 34952387328.

The previous prime is 40777785203. The next prime is 40777785229. The reversal of 40777785223 is 32258777704.

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 40777785223 - 2²¹ = 40775688071 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 (40777785229) 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, 2912698938 + ... + 2912698951.

It is an arithmetic number, because the mean of its divisors is an integer number (11650795780).

Almost surely, 2^40777785223 is an apocalyptic number.

40777785223 is a deficient number, since it is larger than the sum of its proper divisors (5825397897).

40777785223 is an equidigital number, since it uses as much as digits as its factorization.

40777785223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825397896.

The product of its (nonzero) digits is 4609920, while the sum is 52.

The spelling of 40777785223 in words is "forty billion, seven hundred seventy-seven million, seven hundred eighty-five thousand, two hundred twenty-three".