40166631005 has 8 divisors (see below), whose sum is σ = 48208526592. Its totient is φ = 32127591888.

The previous prime is 40166630969. The next prime is 40166631023. The reversal of 40166631005 is 50013666104.

40166631005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40166631005 is a prime.

It is a super-2 number, since 2×40166631005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683057 + ... + 739526.

It is an arithmetic number, because the mean of its divisors is an integer number (6026065824).

Almost surely, 2^40166631005 is an apocalyptic number.

It is an amenable number.

40166631005 is a deficient number, since it is larger than the sum of its proper divisors (8041895587).

40166631005 is a wasteful number, since it uses less digits than its factorization.

40166631005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428235.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 40166631005 in words is "forty billion, one hundred sixty-six million, six hundred thirty-one thousand, five".