40105740143405 has 8 divisors (see below), whose sum is σ = 48229943609952. Its totient is φ = 32015888489488.

The previous prime is 40105740143387. The next prime is 40105740143479. The reversal of 40105740143405 is 50434104750104.

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 40105740143405 - 2³⁸ = 39830862236461 is a prime.

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, 8587950587 + ... + 8587955256.

It is an arithmetic number, because the mean of its divisors is an integer number (6028742951244).

Almost surely, 2^{40105740143405} is an apocalyptic number.

It is an amenable number.

40105740143405 is a deficient number, since it is larger than the sum of its proper divisors (8124203466547).

40105740143405 is a wasteful number, since it uses less digits than its factorization.

40105740143405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175906315.

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 40105740143405 its reverse (50434104750104), we get a palindrome (90539844893509).

The spelling of 40105740143405 in words is "forty trillion, one hundred five billion, seven hundred forty million, one hundred forty-three thousand, four hundred five".