1040635432 has 32 divisors (see below), whose sum is σ = 2045292480. Its totient is φ = 495815040.

The previous prime is 1040635411. The next prime is 1040635439. The reversal of 1040635432 is 2345360401.

It is a self number, because there is not a number n which added to its sum of digits gives 1040635432.

It is not an unprimeable number, because it can be changed into a prime (1040635439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22788 + ... + 50995.

It is an arithmetic number, because the mean of its divisors is an integer number (63915390).

Almost surely, 2^1040635432 is an apocalyptic number.

It is an amenable number.

1040635432 is a deficient number, since it is larger than the sum of its proper divisors (1004657048).

1040635432 is a wasteful number, since it uses less digits than its factorization.

1040635432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73873 (or 73869 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1040635432 is about 32258.8814437203. The cubic root of 1040635432 is about 1013.3657060103.

Adding to 1040635432 its reverse (2345360401), we get a palindrome (3385995833).

The spelling of 1040635432 in words is "one billion, forty million, six hundred thirty-five thousand, four hundred thirty-two".