40122742266 has 24 divisors (see below), whose sum is σ = 88157013984. Its totient is φ = 13185877320.

The previous prime is 40122742241. The next prime is 40122742267. The reversal of 40122742266 is 66224722104.

40122742266 is a `hidden beast` number, since 4 + 0 + 1 + 227 + 422 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40122742266.

It is not an unprimeable number, because it can be changed into a prime (40122742267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15696196 + ... + 15698751.

It is an arithmetic number, because the mean of its divisors is an integer number (3673208916).

Almost surely, 2^40122742266 is an apocalyptic number.

40122742266 is an abundant number, since it is smaller than the sum of its proper divisors (48034271718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40122742266 is a wasteful number, since it uses less digits than its factorization.

40122742266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31395026 (or 31395023 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 40122742266 in words is "forty billion, one hundred twenty-two million, seven hundred forty-two thousand, two hundred sixty-six".