40544342 has 8 divisors (see below), whose sum is σ = 62778432. Its totient is φ = 19618200.

The previous prime is 40544297. The next prime is 40544353. The reversal of 40544342 is 24344504.

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, 326909 + ... + 327032.

It is an arithmetic number, because the mean of its divisors is an integer number (7847304).

Almost surely, 2^40544342 is an apocalyptic number.

40544342 is a deficient number, since it is larger than the sum of its proper divisors (22234090).

40544342 is a wasteful number, since it uses less digits than its factorization.

40544342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653974.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 40544342 is about 6367.4439141621. The cubic root of 40544342 is about 343.5395577178.

Adding to 40544342 its reverse (24344504), we get a palindrome (64888846).

The spelling of 40544342 in words is "forty million, five hundred forty-four thousand, three hundred forty-two".