40793777793 has 32 divisors (see below), whose sum is σ = 61763904000. Its totient is φ = 26598751488.

The previous prime is 40793777789. The next prime is 40793777809. The reversal of 40793777793 is 39777739704.

40793777793 is a `hidden beast` number, since 40 + 79 + 377 + 77 + 93 = 666.

It is not a de Polignac number, because 40793777793 - 2² = 40793777789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40793777793.

It is not an unprimeable number, because it can be changed into a prime (40793777743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1955305 + ... + 1976057.

It is an arithmetic number, because the mean of its divisors is an integer number (1930122000).

Almost surely, 2^40793777793 is an apocalyptic number.

It is an amenable number.

40793777793 is a deficient number, since it is larger than the sum of its proper divisors (20970126207).

40793777793 is a wasteful number, since it uses less digits than its factorization.

40793777793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22358 (or 22352 counting only the distinct ones).

The product of its (nonzero) digits is 49009212, while the sum is 63.

The spelling of 40793777793 in words is "forty billion, seven hundred ninety-three million, seven hundred seventy-seven thousand, seven hundred ninety-three".