1040240432 has 40 divisors (see below), whose sum is σ = 2512791552. Its totient is φ = 405288000.

The previous prime is 1040240431. The next prime is 1040240447. The reversal of 1040240432 is 2340420401.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (1040240431) 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 7 ways as a sum of consecutive naturals, for example, 420944 + ... + 423407.

Almost surely, 2^1040240432 is an apocalyptic number.

It is an amenable number.

1040240432 is an abundant number, since it is smaller than the sum of its proper divisors (1472551120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1040240432 is a wasteful number, since it uses less digits than its factorization.

1040240432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844377 (or 844371 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1040240432 is about 32252.7585176834. The cubic root of 1040240432 is about 1013.2374734267.

Adding to 1040240432 its reverse (2340420401), we get a palindrome (3380660833).

The spelling of 1040240432 in words is "one billion, forty million, two hundred forty thousand, four hundred thirty-two".