40142345766 has 16 divisors (see below), whose sum is σ = 80308422000. Its totient is φ = 13376826848.

The previous prime is 40142345753. The next prime is 40142345773. The reversal of 40142345766 is 66754324104.

It is a happy number.

It is a super-2 number, since 2×40142345766² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 966741 + ... + 1007408.

It is an arithmetic number, because the mean of its divisors is an integer number (5019276375).

Almost surely, 2^40142345766 is an apocalyptic number.

40142345766 is an abundant number, since it is smaller than the sum of its proper divisors (40166076234).

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

40142345766 is a wasteful number, since it uses less digits than its factorization.

40142345766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977543.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 40142345766 in words is "forty billion, one hundred forty-two million, three hundred forty-five thousand, seven hundred sixty-six".