40322444144 has 10 divisors (see below), whose sum is σ = 78124735560. Its totient is φ = 20161222064.

The previous prime is 40322444131. The next prime is 40322444203. The reversal of 40322444144 is 44144422304.

It is a self number, because there is not a number n which added to its sum of digits gives 40322444144.

It is a congruent 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 as a sum of consecutive naturals, namely, 1260076364 + ... + 1260076395.

It is an arithmetic number, because the mean of its divisors is an integer number (7812473556).

Almost surely, 2^40322444144 is an apocalyptic number.

It is an amenable number.

40322444144 is a deficient number, since it is larger than the sum of its proper divisors (37802291416).

40322444144 is a wasteful number, since it uses less digits than its factorization.

40322444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520152767 (or 2520152761 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 40322444144 its reverse (44144422304), we get a palindrome (84466866448).

The spelling of 40322444144 in words is "forty billion, three hundred twenty-two million, four hundred forty-four thousand, one hundred forty-four".