1024432440 has 64 divisors (see below), whose sum is σ = 3075408000. Its totient is φ = 272994432.

The previous prime is 1024432439. The next prime is 1024432457. The reversal of 1024432440 is 442344201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1024432440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322299 + ... + 325461.

It is an arithmetic number, because the mean of its divisors is an integer number (48053250).

Almost surely, 2^1024432440 is an apocalyptic number.

1024432440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024432440 is an abundant number, since it is smaller than the sum of its proper divisors (2050975560).

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

1024432440 is a wasteful number, since it uses less digits than its factorization.

1024432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876 (or 5872 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1024432440 is about 32006.7561617856. The cubic root of 1024432440 is about 1008.0787054317.

Adding to 1024432440 its reverse (442344201), we get a palindrome (1466776641).

The spelling of 1024432440 in words is "one billion, twenty-four million, four hundred thirty-two thousand, four hundred forty".