40101232 has 40 divisors (see below), whose sum is σ = 82695600. Its totient is φ = 18772992.

The previous prime is 40101169. The next prime is 40101251. The reversal of 40101232 is 23210104.

40101232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102894 + ... + 103282.

It is an arithmetic number, because the mean of its divisors is an integer number (2067390).

Almost surely, 2^40101232 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 40101232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41347800).

40101232 is an abundant number, since it is smaller than the sum of its proper divisors (42594368).

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

40101232 is a wasteful number, since it uses less digits than its factorization.

40101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40101232 is about 6332.5533554799. The cubic root of 40101232 is about 342.2834534341.

Adding to 40101232 its reverse (23210104), we get a palindrome (63311336).

The spelling of 40101232 in words is "forty million, one hundred one thousand, two hundred thirty-two".