40880781777 has 8 divisors (see below), whose sum is σ = 59462955360. Its totient is φ = 24776231360.

The previous prime is 40880781709. The next prime is 40880781793. The reversal of 40880781777 is 77718708804.

40880781777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40880781777 - 2¹¹ = 40880779729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40880781797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619405752 + ... + 619405817.

It is an arithmetic number, because the mean of its divisors is an integer number (7432869420).

Almost surely, 2^40880781777 is an apocalyptic number.

It is an amenable number.

40880781777 is a deficient number, since it is larger than the sum of its proper divisors (18582173583).

40880781777 is a wasteful number, since it uses less digits than its factorization.

40880781777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238811583.

The product of its (nonzero) digits is 4917248, while the sum is 57.

The spelling of 40880781777 in words is "forty billion, eight hundred eighty million, seven hundred eighty-one thousand, seven hundred seventy-seven".