140244404321512 has 16 divisors (see below), whose sum is σ = 262969579683360. Its totient is φ = 70119183072624.

The previous prime is 140244404321507. The next prime is 140244404321533. The reversal of 140244404321512 is 215123404442041.

It is a happy number.

It is a super-2 number, since 2×140244404321512² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377188588 + ... + 377560219.

It is an arithmetic number, because the mean of its divisors is an integer number (16435598730210).

Almost surely, 2^{140244404321512} is an apocalyptic number.

It is an amenable number.

140244404321512 is a deficient number, since it is larger than the sum of its proper divisors (122725175361848).

140244404321512 is a wasteful number, since it uses less digits than its factorization.

140244404321512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754772040 (or 754772036 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 140244404321512 its reverse (215123404442041), we get a palindrome (355367808763553).

The spelling of 140244404321512 in words is "one hundred forty trillion, two hundred forty-four billion, four hundred four million, three hundred twenty-one thousand, five hundred twelve".