40422542 has 8 divisors (see below), whose sum is σ = 60669000. Its totient is φ = 20199544.

The previous prime is 40422521. The next prime is 40422553. The reversal of 40422542 is 24522404.

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

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, 617 + ... + 9012.

It is an arithmetic number, because the mean of its divisors is an integer number (7583625).

Almost surely, 2^40422542 is an apocalyptic number.

40422542 is a deficient number, since it is larger than the sum of its proper divisors (20246458).

40422542 is a wasteful number, since it uses less digits than its factorization.

40422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11730.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 40422542 is about 6357.8724428853. The cubic root of 40422542 is about 343.1952015003.

Adding to 40422542 its reverse (24522404), we get a palindrome (64944946).

The spelling of 40422542 in words is "forty million, four hundred twenty-two thousand, five hundred forty-two".