100340440 has 16 divisors (see below), whose sum is σ = 225766080. Its totient is φ = 40136160.

The previous prime is 100340423. The next prime is 100340453. The reversal of 100340440 is 44043001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254216 + ... + 1254295.

It is an arithmetic number, because the mean of its divisors is an integer number (14110380).

Almost surely, 2^100340440 is an apocalyptic number.

100340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100340440 is an abundant number, since it is smaller than the sum of its proper divisors (125425640).

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

100340440 is a wasteful number, since it uses less digits than its factorization.

100340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508522 (or 2508518 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100340440 is about 10017.0075371839. The cubic root of 100340440 is about 464.6850142597.

Adding to 100340440 its reverse (44043001), we get a palindrome (144383441).

The spelling of 100340440 in words is "one hundred million, three hundred forty thousand, four hundred forty".