140440304444 has 24 divisors (see below), whose sum is σ = 268813375488. Its totient is φ = 63669819440.

The previous prime is 140440304441. The next prime is 140440304479. The reversal of 140440304444 is 444403044041.

It is a super-2 number, since 2×140440304444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140440304444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440304441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4150022 + ... + 4183725.

It is an arithmetic number, because the mean of its divisors is an integer number (11200557312).

Almost surely, 2^140440304444 is an apocalyptic number.

It is an amenable number.

140440304444 is a deficient number, since it is larger than the sum of its proper divisors (128373071044).

140440304444 is a wasteful number, since it uses less digits than its factorization.

140440304444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334145 (or 8334143 counting only the distinct ones).

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

Adding to 140440304444 its reverse (444403044041), we get a palindrome (584843348485).

The spelling of 140440304444 in words is "one hundred forty billion, four hundred forty million, three hundred four thousand, four hundred forty-four".