4240432040 has 32 divisors (see below), whose sum is σ = 10274894280. Its totient is φ = 1565697792.

The previous prime is 4240432039. The next prime is 4240432051. The reversal of 4240432040 is 402340424.

It can be written as a sum of positive squares in 4 ways, for example, as 3447333796 + 793098244 = 58714^2 + 28162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4240431997 and 4240432015.

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, 4076819 + ... + 4077858.

Almost surely, 2^4240432040 is an apocalyptic number.

4240432040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4240432040 is an abundant number, since it is smaller than the sum of its proper divisors (6034462240).

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

4240432040 is a wasteful number, since it uses less digits than its factorization.

4240432040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154701 (or 8154697 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4240432040 is about 65118.5998006714. The cubic root of 4240432040 is about 1618.5894392310.

Adding to 4240432040 its reverse (402340424), we get a palindrome (4642772464).

The spelling of 4240432040 in words is "four billion, two hundred forty million, four hundred thirty-two thousand, forty".