1024400432 has 40 divisors (see below), whose sum is σ = 2168938560. Its totient is φ = 464834880.

The previous prime is 1024400411. The next prime is 1024400449. The reversal of 1024400432 is 2340044201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104243 + ... + 113645.

It is an arithmetic number, because the mean of its divisors is an integer number (54223464).

Almost surely, 2^1024400432 is an apocalyptic number.

It is an amenable number.

1024400432 is an abundant number, since it is smaller than the sum of its proper divisors (1144538128).

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

1024400432 is a wasteful number, since it uses less digits than its factorization.

1024400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10041 (or 10035 counting only the distinct ones).

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

The square root of 1024400432 is about 32006.2561384489. The cubic root of 1024400432 is about 1008.0682063111.

Adding to 1024400432 its reverse (2340044201), we get a palindrome (3364444633).

It can be divided in two parts, 10 and 24400432, that added together give a palindrome (24400442).

The spelling of 1024400432 in words is "one billion, twenty-four million, four hundred thousand, four hundred thirty-two".