40406677403671 has 8 divisors (see below), whose sum is σ = 40783352825600. Its totient is φ = 40030110563040.

The previous prime is 40406677403647. The next prime is 40406677403707. The reversal of 40406677403671 is 17630477660404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40406677403671 - 2⁴¹ = 38207654148119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40406677409671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26397495 + ... + 27886216.

It is an arithmetic number, because the mean of its divisors is an integer number (5097919103200).

Almost surely, 2^{40406677403671} is an apocalyptic number.

40406677403671 is a deficient number, since it is larger than the sum of its proper divisors (376675421929).

40406677403671 is a wasteful number, since it uses less digits than its factorization.

40406677403671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54290649.

The product of its (nonzero) digits is 14224896, while the sum is 55.

The spelling of 40406677403671 in words is "forty trillion, four hundred six billion, six hundred seventy-seven million, four hundred three thousand, six hundred seventy-one".