1040011405 has 8 divisors (see below), whose sum is σ = 1288272384. Its totient is φ = 805170000.

The previous prime is 1040011403. The next prime is 1040011457. The reversal of 1040011405 is 5041100401.

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

It is not a de Polignac number, because 1040011405 - 2¹ = 1040011403 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 (1040011403) 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, 3354721 + ... + 3355030.

It is an arithmetic number, because the mean of its divisors is an integer number (161034048).

Almost surely, 2^1040011405 is an apocalyptic number.

It is an amenable number.

1040011405 is a deficient number, since it is larger than the sum of its proper divisors (248260979).

1040011405 is an equidigital number, since it uses as much as digits as its factorization.

1040011405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709787.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1040011405 is about 32249.2078197279. The cubic root of 1040011405 is about 1013.1631073589.

Adding to 1040011405 its reverse (5041100401), we get a palindrome (6081111806).

The spelling of 1040011405 in words is "one billion, forty million, eleven thousand, four hundred five".