140440452244 has 48 divisors (see below), whose sum is σ = 254779176960. Its totient is φ = 67690909440.

The previous prime is 140440452233. The next prime is 140440452277. The reversal of 140440452244 is 442254044041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6549789 + ... + 6571195.

It is an arithmetic number, because the mean of its divisors is an integer number (5307899520).

Almost surely, 2^140440452244 is an apocalyptic number.

It is an amenable number.

140440452244 is a deficient number, since it is larger than the sum of its proper divisors (114338724716).

140440452244 is a wasteful number, since it uses less digits than its factorization.

140440452244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21928 (or 21926 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 140440452244 its reverse (442254044041), we get a palindrome (582694496285).

The spelling of 140440452244 in words is "one hundred forty billion, four hundred forty million, four hundred fifty-two thousand, two hundred forty-four".