40244022443 has 16 divisors (see below), whose sum is σ = 41479838400. Its totient is φ = 39020728320.

The previous prime is 40244022431. The next prime is 40244022499. The reversal of 40244022443 is 34422044204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40244022443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40244022043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11305898 + ... + 11309456.

It is an arithmetic number, because the mean of its divisors is an integer number (2592489900).

Almost surely, 2^40244022443 is an apocalyptic number.

40244022443 is a deficient number, since it is larger than the sum of its proper divisors (1235815957).

40244022443 is a wasteful number, since it uses less digits than its factorization.

40244022443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5222.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 40244022443 its reverse (34422044204), we get a palindrome (74666066647).

The spelling of 40244022443 in words is "forty billion, two hundred forty-four million, twenty-two thousand, four hundred forty-three".