40422415 has 8 divisors (see below), whose sum is σ = 52916688. Its totient is φ = 29398080.

The previous prime is 40422409. The next prime is 40422457. The reversal of 40422415 is 51422404.

It is a happy number.

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

It is not a de Polignac number, because 40422415 - 2³ = 40422407 is a prime.

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, 367422 + ... + 367531.

It is an arithmetic number, because the mean of its divisors is an integer number (6614586).

Almost surely, 2^40422415 is an apocalyptic number.

40422415 is a deficient number, since it is larger than the sum of its proper divisors (12494273).

40422415 is a wasteful number, since it uses less digits than its factorization.

40422415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734969.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 40422415 is about 6357.8624552596. The cubic root of 40422415 is about 343.1948420817.

Adding to 40422415 its reverse (51422404), we get a palindrome (91844819).

The spelling of 40422415 in words is "forty million, four hundred twenty-two thousand, four hundred fifteen".