100304420240 has 40 divisors (see below), whose sum is σ = 233295068160. Its totient is φ = 40106750336.

The previous prime is 100304420239. The next prime is 100304420297. The reversal of 100304420240 is 42024403001.

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 (20).

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, 18350 + ... + 448269.

It is an arithmetic number, because the mean of its divisors is an integer number (5832376704).

Almost surely, 2^100304420240 is an apocalyptic number.

100304420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100304420240 is an abundant number, since it is smaller than the sum of its proper divisors (132990647920).

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

100304420240 is a wasteful number, since it uses less digits than its factorization.

100304420240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469319 (or 469313 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 100304420240 its reverse (42024403001), we get a palindrome (142328823241).

The spelling of 100304420240 in words is "one hundred billion, three hundred four million, four hundred twenty thousand, two hundred forty".