40411418 has 4 divisors (see below), whose sum is σ = 60617130. Its totient is φ = 20205708.

The previous prime is 40411417. The next prime is 40411421. The reversal of 40411418 is 81411404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29408929 + 11002489 = 5423^2 + 3317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40411393 and 40411402.

It is not an unprimeable number, because it can be changed into a prime (40411411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102853 + ... + 10102856.

Almost surely, 2^40411418 is an apocalyptic number.

40411418 is a deficient number, since it is larger than the sum of its proper divisors (20205712).

40411418 is a wasteful number, since it uses less digits than its factorization.

40411418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20205711.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 40411418 is about 6356.9975617425. The cubic root of 40411418 is about 343.1637169747.

The spelling of 40411418 in words is "forty million, four hundred eleven thousand, four hundred eighteen".