40406414 has 8 divisors (see below), whose sum is σ = 60672720. Its totient is φ = 20182176.

The previous prime is 40406383. The next prime is 40406437. The reversal of 40406414 is 41460404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40406414.

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, 7994 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (7584090).

Almost surely, 2^40406414 is an apocalyptic number.

40406414 is a deficient number, since it is larger than the sum of its proper divisors (20266306).

40406414 is a wasteful number, since it uses less digits than its factorization.

40406414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21034.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 40406414 is about 6356.6039675286. The cubic root of 40406414 is about 343.1495521486.

Adding to 40406414 its reverse (41460404), we get a palindrome (81866818).

The spelling of 40406414 in words is "forty million, four hundred six thousand, four hundred fourteen".