100302440 has 32 divisors (see below), whose sum is σ = 257921280. Its totient is φ = 34389312.

The previous prime is 100302421. The next prime is 100302443. The reversal of 100302440 is 44203001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (100302443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 178832 + ... + 179391.

It is an arithmetic number, because the mean of its divisors is an integer number (8060040).

Almost surely, 2^100302440 is an apocalyptic number.

100302440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100302440 is an abundant number, since it is smaller than the sum of its proper divisors (157618840).

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

100302440 is a wasteful number, since it uses less digits than its factorization.

100302440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358241 (or 358237 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 100302440 is about 10015.1105835133. The cubic root of 100302440 is about 464.6263464547.

Adding to 100302440 its reverse (44203001), we get a palindrome (144505441).

The spelling of 100302440 in words is "one hundred million, three hundred two thousand, four hundred forty".