1040322405 has 16 divisors (see below), whose sum is σ = 1677625344. Its totient is φ = 550468800.

The previous prime is 1040322401. The next prime is 1040322419. The reversal of 1040322405 is 5042230401.

It is not a de Polignac number, because 1040322405 - 2² = 1040322401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040322401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271146 + ... + 274955.

It is an arithmetic number, because the mean of its divisors is an integer number (104851584).

Almost surely, 2^1040322405 is an apocalyptic number.

1040322405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040322405 is a deficient number, since it is larger than the sum of its proper divisors (637302939).

1040322405 is a wasteful number, since it uses less digits than its factorization.

1040322405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546236.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1040322405 is about 32254.0292831764. The cubic root of 1040322405 is about 1013.2640877655.

Adding to 1040322405 its reverse (5042230401), we get a palindrome (6082552806).

The spelling of 1040322405 in words is "one billion, forty million, three hundred twenty-two thousand, four hundred five".