40442232210 has 32 divisors (see below), whose sum is σ = 98289987840. Its totient is φ = 10648080768.

The previous prime is 40442232169. The next prime is 40442232221. The reversal of 40442232210 is 1223224404.

It is a super-2 number, since 2×40442232210² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8529747 + ... + 8534486.

It is an arithmetic number, because the mean of its divisors is an integer number (3071562120).

Almost surely, 2^40442232210 is an apocalyptic number.

40442232210 is an abundant number, since it is smaller than the sum of its proper divisors (57847755630).

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

40442232210 is a wasteful number, since it uses less digits than its factorization.

40442232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17064322.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40442232210 its reverse (1223224404), we get a palindrome (41665456614).

The spelling of 40442232210 in words is "forty billion, four hundred forty-two million, two hundred thirty-two thousand, two hundred ten".