1040238469 has 4 divisors (see below), whose sum is σ = 1040652000. Its totient is φ = 1039824940.

The previous prime is 1040238427. The next prime is 1040238487. The reversal of 1040238469 is 9648320401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1040238469 - 2¹³ = 1040230277 is a prime.

It is a super-2 number, since 2×1040238469² = 2164192144774927922, which 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 (1040238569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202969 + ... + 208030.

It is an arithmetic number, because the mean of its divisors is an integer number (260163000).

Almost surely, 2^1040238469 is an apocalyptic number.

It is an amenable number.

1040238469 is a deficient number, since it is larger than the sum of its proper divisors (413531).

1040238469 is an equidigital number, since it uses as much as digits as its factorization.

1040238469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413530.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1040238469 is about 32252.7280861635. The cubic root of 1040238469 is about 1013.2368360784.

The spelling of 1040238469 in words is "one billion, forty million, two hundred thirty-eight thousand, four hundred sixty-nine".