100240340 has 24 divisors (see below), whose sum is σ = 211603560. Its totient is φ = 39886848.

The previous prime is 100240337. The next prime is 100240369. The reversal of 100240340 is 43042001.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 100240144 = 14^2 + 10012^2 .

It is a congruent number.

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, 9125 + ... + 16844.

It is an arithmetic number, because the mean of its divisors is an integer number (8816815).

Almost surely, 2^100240340 is an apocalyptic number.

100240340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100240340 is an abundant number, since it is smaller than the sum of its proper divisors (111363220).

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

100240340 is a wasteful number, since it uses less digits than its factorization.

100240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26171 (or 26169 counting only the distinct ones).

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

The square root of 100240340 is about 10012.0097882493. The cubic root of 100240340 is about 464.5304390079.

Adding to 100240340 its reverse (43042001), we get a palindrome (143282341).

The spelling of 100240340 in words is "one hundred million, two hundred forty thousand, three hundred forty".