140431054544 has 20 divisors (see below), whose sum is σ = 296820183840. Its totient is φ = 63832297440.

The previous prime is 140431054537. The next prime is 140431054579. The reversal of 140431054544 is 445450134041.

It is a congruent number.

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, 398951684 + ... + 398952035.

It is an arithmetic number, because the mean of its divisors is an integer number (14841009192).

Almost surely, 2^140431054544 is an apocalyptic number.

It is an amenable number.

140431054544 is an abundant number, since it is smaller than the sum of its proper divisors (156389129296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140431054544 is a wasteful number, since it uses less digits than its factorization.

140431054544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797903738 (or 797903732 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 140431054544 its reverse (445450134041), we get a palindrome (585881188585).

The spelling of 140431054544 in words is "one hundred forty billion, four hundred thirty-one million, fifty-four thousand, five hundred forty-four".