40240442222 has 4 divisors (see below), whose sum is σ = 60360663336. Its totient is φ = 20120221110.

The previous prime is 40240442219. The next prime is 40240442227. The reversal of 40240442222 is 22224404204.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40240442191 and 40240442200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240442227) by changing a digit.

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 as a sum of consecutive naturals, namely, 10060110554 + ... + 10060110557.

It is an arithmetic number, because the mean of its divisors is an integer number (15090165834).

Almost surely, 2^40240442222 is an apocalyptic number.

40240442222 is a deficient number, since it is larger than the sum of its proper divisors (20120221114).

40240442222 is a wasteful number, since it uses less digits than its factorization.

40240442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120221113.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40240442222 its reverse (22224404204), we get a palindrome (62464846426).

The spelling of 40240442222 in words is "forty billion, two hundred forty million, four hundred forty-two thousand, two hundred twenty-two".