100244240 has 40 divisors (see below), whose sum is σ = 246781080. Its totient is φ = 37738496.

The previous prime is 100244233. The next prime is 100244251. The reversal of 100244240 is 42442001.

It can be written as a sum of positive squares in 4 ways, for example, as 2155024 + 98089216 = 1468^2 + 9904^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35495 + ... + 38214.

It is an arithmetic number, because the mean of its divisors is an integer number (6169527).

Almost surely, 2^100244240 is an apocalyptic number.

100244240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100244240 is an abundant number, since it is smaller than the sum of its proper divisors (146536840).

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

100244240 is a wasteful number, since it uses less digits than its factorization.

100244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73739 (or 73733 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 100244240 is about 10012.2045524450. The cubic root of 100244240 is about 464.5364633464.

Adding to 100244240 its reverse (42442001), we get a palindrome (142686241).

The spelling of 100244240 in words is "one hundred million, two hundred forty-four thousand, two hundred forty".