40503234 has 24 divisors (see below), whose sum is σ = 83271888. Its totient is φ = 13133520.

The previous prime is 40503233. The next prime is 40503251. The reversal of 40503234 is 43230504.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40503234.

It is not an unprimeable number, because it can be changed into a prime (40503233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5749 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (3469662).

Almost surely, 2^40503234 is an apocalyptic number.

40503234 is an abundant number, since it is smaller than the sum of its proper divisors (42768654).

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

40503234 is a wasteful number, since it uses less digits than its factorization.

40503234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40503234 is about 6364.2151126435. The cubic root of 40503234 is about 343.4234132779.

Adding to 40503234 its reverse (43230504), we get a palindrome (83733738).

The spelling of 40503234 in words is "forty million, five hundred three thousand, two hundred thirty-four".