1040405411 has 4 divisors (see below), whose sum is σ = 1041208872. Its totient is φ = 1039601952.

The previous prime is 1040405393. The next prime is 1040405441. The reversal of 1040405411 is 1145040401.

1040405411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040405411 - 2¹⁴ = 1040389027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040405441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399785 + ... + 402378.

It is an arithmetic number, because the mean of its divisors is an integer number (260302218).

Almost surely, 2^1040405411 is an apocalyptic number.

1040405411 is a deficient number, since it is larger than the sum of its proper divisors (803461).

1040405411 is an equidigital number, since it uses as much as digits as its factorization.

1040405411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803460.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1040405411 is about 32255.3160114732. The cubic root of 1040405411 is about 1013.2910360659.

Adding to 1040405411 its reverse (1145040401), we get a palindrome (2185445812).

The spelling of 1040405411 in words is "one billion, forty million, four hundred five thousand, four hundred eleven".