40010666667 has 32 divisors (see below), whose sum is σ = 54747463680. Its totient is φ = 25981637760.

The previous prime is 40010666609. The next prime is 40010666671. The reversal of 40010666667 is 76666601004.

It is not a de Polignac number, because 40010666667 - 2⁸ = 40010666411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40010666767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31282134 + ... + 31283412.

It is an arithmetic number, because the mean of its divisors is an integer number (1710858240).

Almost surely, 2^40010666667 is an apocalyptic number.

40010666667 is a deficient number, since it is larger than the sum of its proper divisors (14736797013).

40010666667 is a wasteful number, since it uses less digits than its factorization.

40010666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 40010666667 in words is "forty billion, ten million, six hundred sixty-six thousand, six hundred sixty-seven".