100440620 has 48 divisors (see below), whose sum is σ = 248844288. Its totient is φ = 33324480.

The previous prime is 100440577. The next prime is 100440629. The reversal of 100440620 is 26044001.

It is not an unprimeable number, because it can be changed into a prime (100440629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7232 + ... + 15911.

It is an arithmetic number, because the mean of its divisors is an integer number (5184256).

Almost surely, 2^100440620 is an apocalyptic number.

100440620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100440620 is an abundant number, since it is smaller than the sum of its proper divisors (148403668).

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

100440620 is a wasteful number, since it uses less digits than its factorization.

100440620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23190 (or 23188 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100440620 is about 10022.0067850705. The cubic root of 100440620 is about 464.8396101559.

Adding to 100440620 its reverse (26044001), we get a palindrome (126484621).

The spelling of 100440620 in words is "one hundred million, four hundred forty thousand, six hundred twenty".