40522042 has 8 divisors (see below), whose sum is σ = 66308832. Its totient is φ = 18419100.

The previous prime is 40521989. The next prime is 40522061. The reversal of 40522042 is 24022504.

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

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, 920934 + ... + 920977.

It is an arithmetic number, because the mean of its divisors is an integer number (8288604).

Almost surely, 2^40522042 is an apocalyptic number.

40522042 is a deficient number, since it is larger than the sum of its proper divisors (25786790).

40522042 is a wasteful number, since it uses less digits than its factorization.

40522042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841924.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 40522042 is about 6365.6925781882. The cubic root of 40522042 is about 343.4765621864.

Adding to 40522042 its reverse (24022504), we get a palindrome (64544546).

The spelling of 40522042 in words is "forty million, five hundred twenty-two thousand, forty-two".