40006666703401 has 4 divisors (see below), whose sum is σ = 40252106376592. Its totient is φ = 39761227030212.

The previous prime is 40006666703389. The next prime is 40006666703431. The reversal of 40006666703401 is 10430766660004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40006666703401 - 2⁵ = 40006666703369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40006666703431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122719836351 + ... + 122719836676.

It is an arithmetic number, because the mean of its divisors is an integer number (10063026594148).

Almost surely, 2^{40006666703401} is an apocalyptic number.

It is an amenable number.

40006666703401 is a deficient number, since it is larger than the sum of its proper divisors (245439673191).

40006666703401 is a wasteful number, since it uses less digits than its factorization.

40006666703401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245439673190.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 40006666703401 in words is "forty trillion, six billion, six hundred sixty-six million, seven hundred three thousand, four hundred one".