40552442 has 16 divisors (see below), whose sum is σ = 69636672. Its totient is φ = 17350080.

The previous prime is 40552417. The next prime is 40552451. The reversal of 40552442 is 24425504.

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, 7442 + ... + 11682.

It is an arithmetic number, because the mean of its divisors is an integer number (4352292).

Almost surely, 2^40552442 is an apocalyptic number.

40552442 is a deficient number, since it is larger than the sum of its proper divisors (29084230).

40552442 is a wasteful number, since it uses less digits than its factorization.

40552442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 40552442 is about 6368.0799304029. The cubic root of 40552442 is about 343.5624337838.

Adding to 40552442 its reverse (24425504), we get a palindrome (64977946).

The spelling of 40552442 in words is "forty million, five hundred fifty-two thousand, four hundred forty-two".