100346040 has 80 divisors (see below), whose sum is σ = 337285080. Its totient is φ = 26758080.

The previous prime is 100346021. The next prime is 100346063. The reversal of 100346040 is 40643001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12246 + ... + 18725.

Almost surely, 2^100346040 is an apocalyptic number.

100346040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100346040 is an abundant number, since it is smaller than the sum of its proper divisors (236939040).

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

100346040 is a wasteful number, since it uses less digits than its factorization.

100346040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30994 (or 30981 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 100346040 is about 10017.2870578815. The cubic root of 100346040 is about 464.6936587892.

Adding to 100346040 its reverse (40643001), we get a palindrome (140989041).

The spelling of 100346040 in words is "one hundred million, three hundred forty-six thousand, forty".