1040431366 has 8 divisors (see below), whose sum is σ = 1680696864. Its totient is φ = 480199080.

The previous prime is 1040431363. The next prime is 1040431369. The reversal of 1040431366 is 6631340401.

It is an interprime number because it is at equal distance from previous prime (1040431363) and next prime (1040431369).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040431363) 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, 20008270 + ... + 20008321.

It is an arithmetic number, because the mean of its divisors is an integer number (210087108).

Almost surely, 2^1040431366 is an apocalyptic number.

1040431366 is a deficient number, since it is larger than the sum of its proper divisors (640265498).

1040431366 is a wasteful number, since it uses less digits than its factorization.

1040431366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40016606.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1040431366 is about 32255.7183457445. The cubic root of 1040431366 is about 1013.2994621883.

Adding to 1040431366 its reverse (6631340401), we get a palindrome (7671771767).

The spelling of 1040431366 in words is "one billion, forty million, four hundred thirty-one thousand, three hundred sixty-six".