1240234432 has 56 divisors (see below), whose sum is σ = 2525664240. Its totient is φ = 604047360.

The previous prime is 1240234421. The next prime is 1240234447. The reversal of 1240234432 is 2344320421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1240234397 and 1240234406.

It is a congruent number.

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, 416244 + ... + 419212.

Almost surely, 2^1240234432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240234432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262832120).

1240234432 is an abundant number, since it is smaller than the sum of its proper divisors (1285429808).

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

1240234432 is a wasteful number, since it uses less digits than its factorization.

1240234432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3139 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1240234432 is about 35216.9622767211. The cubic root of 1240234432 is about 1074.4047707518.

Adding to 1240234432 its reverse (2344320421), we get a palindrome (3584554853).

The spelling of 1240234432 in words is "one billion, two hundred forty million, two hundred thirty-four thousand, four hundred thirty-two".