40502432 has 24 divisors (see below), whose sum is σ = 84430836. Its totient is φ = 19059712.

The previous prime is 40502419. The next prime is 40502437. The reversal of 40502432 is 23420504.

It can be written as a sum of positive squares in 2 ways, for example, as 40500496 + 1936 = 6364^2 + 44^2 .

It is not an unprimeable number, because it can be changed into a prime (40502437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36683 + ... + 37770.

Almost surely, 2^40502432 is an apocalyptic number.

It is an amenable number.

40502432 is an abundant number, since it is smaller than the sum of its proper divisors (43928404).

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

40502432 is a wasteful number, since it uses less digits than its factorization.

40502432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74480 (or 74472 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40502432 is about 6364.1521037763. The cubic root of 40502432 is about 343.4211465668.

Adding to 40502432 its reverse (23420504), we get a palindrome (63922936).

The spelling of 40502432 in words is "forty million, five hundred two thousand, four hundred thirty-two".