100322040 has 128 divisors (see below), whose sum is σ = 370460160. Its totient is φ = 21164544.

The previous prime is 100322029. The next prime is 100322051. The reversal of 100322040 is 40223001.

It is an interprime number because it is at equal distance from previous prime (100322029) and next prime (100322051).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6327 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (2894220).

Almost surely, 2^100322040 is an apocalyptic number.

100322040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100322040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185230080).

100322040 is an abundant number, since it is smaller than the sum of its proper divisors (270138120).

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

100322040 is a wasteful number, since it uses less digits than its factorization.

100322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9221 (or 9217 counting only the distinct ones).

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

The square root of 100322040 is about 10016.0890571121. The cubic root of 100322040 is about 464.6566085410.

Adding to 100322040 its reverse (40223001), we get a palindrome (140545041).

The spelling of 100322040 in words is "one hundred million, three hundred twenty-two thousand, forty".