40780906775 has 12 divisors (see below), whose sum is σ = 57792370992. Its totient is φ = 27964050240.

The previous prime is 40780906759. The next prime is 40780906819. The reversal of 40780906775 is 57760908704.

It is not a de Polignac number, because 40780906775 - 2⁴ = 40780906759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116516702 + ... + 116517051.

It is an arithmetic number, because the mean of its divisors is an integer number (4816030916).

Almost surely, 2^40780906775 is an apocalyptic number.

40780906775 is a deficient number, since it is larger than the sum of its proper divisors (17011464217).

40780906775 is a wasteful number, since it uses less digits than its factorization.

40780906775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233033770 (or 233033765 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 40780906775 in words is "forty billion, seven hundred eighty million, nine hundred six thousand, seven hundred seventy-five".