100040232 has 32 divisors (see below), whose sum is σ = 253118880. Its totient is φ = 32944320.

The previous prime is 100040201. The next prime is 100040233. The reversal of 100040232 is 232040001.

It is a super-2 number, since 2×100040232² = 20016096037227648, which contains 22 as substring.

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 (100040233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23119 + ... + 27102.

It is an arithmetic number, because the mean of its divisors is an integer number (7909965).

Almost surely, 2^100040232 is an apocalyptic number.

100040232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100040232 is an abundant number, since it is smaller than the sum of its proper divisors (153078648).

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

100040232 is a wasteful number, since it uses less digits than its factorization.

100040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50313 (or 50309 counting only the distinct ones).

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

The square root of 100040232 is about 10002.0113977140. The cubic root of 100040232 is about 464.2211218161.

Adding to 100040232 its reverse (232040001), we get a palindrome (332080233).

The spelling of 100040232 in words is "one hundred million, forty thousand, two hundred thirty-two".