40125307806 has 12 divisors (see below), whose sum is σ = 86938166952. Its totient is φ = 13375102596.

The previous prime is 40125307801. The next prime is 40125307811. The reversal of 40125307806 is 60870352104.

40125307806 is a `hidden beast` number, since 40 + 1 + 2 + 530 + 7 + 80 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (40125307801) and next prime (40125307811).

It is a super-2 number, since 2×40125307806² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125307801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114591866 + ... + 1114591901.

It is an arithmetic number, because the mean of its divisors is an integer number (7244847246).

Almost surely, 2^40125307806 is an apocalyptic number.

40125307806 is an abundant number, since it is smaller than the sum of its proper divisors (46812859146).

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

40125307806 is a wasteful number, since it uses less digits than its factorization.

40125307806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229183775 (or 2229183772 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 40125307806 in words is "forty billion, one hundred twenty-five million, three hundred seven thousand, eight hundred six".