40100232 has 64 divisors (see below), whose sum is σ = 103109760. Its totient is φ = 12992000.

The previous prime is 40100227. The next prime is 40100233. The reversal of 40100232 is 23200104.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (40100233) 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 15 ways as a sum of consecutive naturals, for example, 171988 + ... + 172220.

It is an arithmetic number, because the mean of its divisors is an integer number (1611090).

Almost surely, 2^40100232 is an apocalyptic number.

It is an amenable number.

40100232 is an abundant number, since it is smaller than the sum of its proper divisors (63009528).

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

40100232 is a wasteful number, since it uses less digits than its factorization.

40100232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40100232 is about 6332.4743978953. The cubic root of 40100232 is about 342.2806082488.

Adding to 40100232 its reverse (23200104), we get a palindrome (63300336).

The spelling of 40100232 in words is "forty million, one hundred thousand, two hundred thirty-two".