10540405405 has 8 divisors (see below), whose sum is σ = 12649040352. Its totient is φ = 8431955088.

The previous prime is 10540405373. The next prime is 10540405409. The reversal of 10540405405 is 50450404501.

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 10540405405 - 2⁵ = 10540405373 is a prime.

It is a super-2 number, since 2×10540405405² (a number of 21 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 (10540405409) 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, 181782 + ... + 232648.

It is an arithmetic number, because the mean of its divisors is an integer number (1581130044).

Almost surely, 2^10540405405 is an apocalyptic number.

It is an amenable number.

10540405405 is a deficient number, since it is larger than the sum of its proper divisors (2108634947).

10540405405 is an equidigital number, since it uses as much as digits as its factorization.

10540405405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92315.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 10540405405 its reverse (50450404501), we get a palindrome (60990809906).

The spelling of 10540405405 in words is "ten billion, five hundred forty million, four hundred five thousand, four hundred five".