405140534399999 has 8 divisors (see below), whose sum is σ = 405341052522000. Its totient is φ = 404940058915392.

The previous prime is 405140534399977. The next prime is 405140534400013. The reversal of 405140534399999 is 999993435041504.

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 405140534399999 - 2⁸ = 405140534399743 is a prime.

It is a super-2 number, since 2×405140534399999² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405140530399999) 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, 8357747 + ... + 29667035.

It is an arithmetic number, because the mean of its divisors is an integer number (50667631565250).

Almost surely, 2^{405140534399999} is an apocalyptic number.

405140534399999 is a deficient number, since it is larger than the sum of its proper divisors (200518122001).

405140534399999 is a wasteful number, since it uses less digits than its factorization.

405140534399999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21318697.

The product of its (nonzero) digits is 850305600, while the sum is 74.

The spelling of 405140534399999 in words is "four hundred five trillion, one hundred forty billion, five hundred thirty-four million, three hundred ninety-nine thousand, nine hundred ninety-nine".