40055960077 has 6 divisors (see below), whose sum is σ = 46595708718. Its totient is φ = 34333680024.

The previous prime is 40055960059. The next prime is 40055960083. The reversal of 40055960077 is 77006955004.

It can be written as a sum of positive squares in only one way, i.e., 40043611881 + 12348196 = 200109^2 + 3514^2 .

It is not a de Polignac number, because 40055960077 - 2²³ = 40047571469 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 (40056960077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 408734238 + ... + 408734335.

It is an arithmetic number, because the mean of its divisors is an integer number (7765951453).

Almost surely, 2^40055960077 is an apocalyptic number.

It is an amenable number.

40055960077 is a deficient number, since it is larger than the sum of its proper divisors (6539748641).

40055960077 is an equidigital number, since it uses as much as digits as its factorization.

40055960077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817468587 (or 817468580 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 40055960077 in words is "forty billion, fifty-five million, nine hundred sixty thousand, seventy-seven".