408740113 has 4 divisors (see below), whose sum is σ = 414497088. Its totient is φ = 402983140.

The previous prime is 408740093. The next prime is 408740119. The reversal of 408740113 is 311047804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408740113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408740119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878381 + ... + 2878522.

It is an arithmetic number, because the mean of its divisors is an integer number (103624272).

Almost surely, 2^408740113 is an apocalyptic number.

It is an amenable number.

408740113 is a deficient number, since it is larger than the sum of its proper divisors (5756975).

408740113 is an equidigital number, since it uses as much as digits as its factorization.

408740113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756974.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 408740113 is about 20217.3221025931. The cubic root of 408740113 is about 742.1341563283.

Adding to 408740113 its reverse (311047804), we get a palindrome (719787917).

The spelling of 408740113 in words is "four hundred eight million, seven hundred forty thousand, one hundred thirteen".