40244422442 has 8 divisors (see below), whose sum is σ = 68990438496. Its totient is φ = 17247609612.

The previous prime is 40244422433. The next prime is 40244422453. The reversal of 40244422442 is 24422444204.

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

It is a super-2 number, since 2×40244422442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40244422399 and 40244422408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437300788 + ... + 1437300815.

It is an arithmetic number, because the mean of its divisors is an integer number (8623804812).

Almost surely, 2^40244422442 is an apocalyptic number.

40244422442 is a deficient number, since it is larger than the sum of its proper divisors (28746016054).

40244422442 is a wasteful number, since it uses less digits than its factorization.

40244422442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874601612.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40244422442 its reverse (24422444204), we get a palindrome (64666866646).

The spelling of 40244422442 in words is "forty billion, two hundred forty-four million, four hundred twenty-two thousand, four hundred forty-two".