40000667067 has 48 divisors (see below), whose sum is σ = 59360491008. Its totient is φ = 25948500480.

The previous prime is 40000667029. The next prime is 40000667071. The reversal of 40000667067 is 76076600004.

It is not a de Polignac number, because 40000667067 - 2¹⁹ = 40000142779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40000660067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31176808 + ... + 31178090.

It is an arithmetic number, because the mean of its divisors is an integer number (1236676896).

Almost surely, 2^40000667067 is an apocalyptic number.

40000667067 is a deficient number, since it is larger than the sum of its proper divisors (19359823941).

40000667067 is a wasteful number, since it uses less digits than its factorization.

40000667067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 40000667067 in words is "forty billion, six hundred sixty-seven thousand, sixty-seven".