10405140455 has 8 divisors (see below), whose sum is σ = 12487160400. Its totient is φ = 8323451136.

The previous prime is 10405140419. The next prime is 10405140461. The reversal of 10405140455 is 55404150401.

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 10405140455 - 2⁶ = 10405140391 is a prime.

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, 7145 + ... + 144434.

It is an arithmetic number, because the mean of its divisors is an integer number (1560895050).

Almost surely, 2^10405140455 is an apocalyptic number.

10405140455 is a deficient number, since it is larger than the sum of its proper divisors (2082019945).

10405140455 is a wasteful number, since it uses less digits than its factorization.

10405140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165313.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 10405140455 its reverse (55404150401), we get a palindrome (65809290856).

The spelling of 10405140455 in words is "ten billion, four hundred five million, one hundred forty thousand, four hundred fifty-five".