40360772777 has 16 divisors (see below), whose sum is σ = 43940572032. Its totient is φ = 36849323520.

The previous prime is 40360772773. The next prime is 40360772791. The reversal of 40360772777 is 77727706304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40360772777 - 2² = 40360772773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40360772773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244452 + ... + 2262362.

It is an arithmetic number, because the mean of its divisors is an integer number (2746285752).

Almost surely, 2^40360772777 is an apocalyptic number.

It is an amenable number.

40360772777 is a deficient number, since it is larger than the sum of its proper divisors (3579799255).

40360772777 is a wasteful number, since it uses less digits than its factorization.

40360772777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808.

The product of its (nonzero) digits is 2420208, while the sum is 50.

The spelling of 40360772777 in words is "forty billion, three hundred sixty million, seven hundred seventy-two thousand, seven hundred seventy-seven".