40606767942 has 128 divisors (see below), whose sum is σ = 90620135424. Its totient is φ = 12052359168.

The previous prime is 40606767941. The next prime is 40606767967. The reversal of 40606767942 is 24976760604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40606767941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117022213 + ... + 117022559.

It is an arithmetic number, because the mean of its divisors is an integer number (707969808).

Almost surely, 2^40606767942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40606767942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45310067712).

40606767942 is an abundant number, since it is smaller than the sum of its proper divisors (50013367482).

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

40606767942 is a wasteful number, since it uses less digits than its factorization.

40606767942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 40606767942 in words is "forty billion, six hundred six million, seven hundred sixty-seven thousand, nine hundred forty-two".