1040632361 has 4 divisors (see below), whose sum is σ = 1040717652. Its totient is φ = 1040547072.

The previous prime is 1040632297. The next prime is 1040632387. The reversal of 1040632361 is 1632360401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1632360401 = 7 ⋅233194343.

It can be written as a sum of positive squares in 2 ways, for example, as 795522025 + 245110336 = 28205^2 + 15656^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040632361 - 2⁶ = 1040632297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040632361.

It is not an unprimeable number, because it can be changed into a prime (1040632661) 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, 20516 + ... + 50021.

It is an arithmetic number, because the mean of its divisors is an integer number (260179413).

Almost surely, 2^1040632361 is an apocalyptic number.

It is an amenable number.

1040632361 is a deficient number, since it is larger than the sum of its proper divisors (85291).

1040632361 is an equidigital number, since it uses as much as digits as its factorization.

1040632361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85290.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1040632361 is about 32258.8338443906. The cubic root of 1040632361 is about 1013.3647091677.

Adding to 1040632361 its reverse (1632360401), we get a palindrome (2672992762).

The spelling of 1040632361 in words is "one billion, forty million, six hundred thirty-two thousand, three hundred sixty-one".