40442050 has 72 divisors (see below), whose sum is σ = 86400720. Its totient is φ = 13965600.

The previous prime is 40442009. The next prime is 40442057. The reversal of 40442050 is 5024404.

It is not an unprimeable number, because it can be changed into a prime (40442057) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 290881 + ... + 291019.

It is an arithmetic number, because the mean of its divisors is an integer number (1200010).

Almost surely, 2^40442050 is an apocalyptic number.

40442050 is an abundant number, since it is smaller than the sum of its proper divisors (45958670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40442050 is a wasteful number, since it uses less digits than its factorization.

40442050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 180 counting only the distinct ones).

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

The square root of 40442050 is about 6359.4064188413. The cubic root of 40442050 is about 343.2504015194.

Adding to 40442050 its reverse (5024404), we get a palindrome (45466454).

The spelling of 40442050 in words is "forty million, four hundred forty-two thousand, fifty".