40005275777 has 4 divisors (see below), whose sum is σ = 41295768576. Its totient is φ = 38714782980.

The previous prime is 40005275771. The next prime is 40005275797. The reversal of 40005275777 is 77757250004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40005275777 - 2⁸ = 40005275521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40005275771) 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, 645246353 + ... + 645246414.

It is an arithmetic number, because the mean of its divisors is an integer number (10323942144).

Almost surely, 2^40005275777 is an apocalyptic number.

It is an amenable number.

40005275777 is a deficient number, since it is larger than the sum of its proper divisors (1290492799).

40005275777 is a wasteful number, since it uses less digits than its factorization.

40005275777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290492798.

The product of its (nonzero) digits is 480200, while the sum is 44.

The spelling of 40005275777 in words is "forty billion, five million, two hundred seventy-five thousand, seven hundred seventy-seven".