140241444431 has 16 divisors (see below), whose sum is σ = 155393175168. Its totient is φ = 125501229600.

The previous prime is 140241444397. The next prime is 140241444443. The reversal of 140241444431 is 134444142041.

It is a cyclic number.

It is not a de Polignac number, because 140241444431 - 2⁶ = 140241444367 is a prime.

It is a super-2 number, since 2×140241444431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140241444451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24365 + ... + 530166.

It is an arithmetic number, because the mean of its divisors is an integer number (9712073448).

Almost surely, 2^140241444431 is an apocalyptic number.

140241444431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140241444431 is a deficient number, since it is larger than the sum of its proper divisors (15151730737).

140241444431 is a wasteful number, since it uses less digits than its factorization.

140241444431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554902.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 140241444431 its reverse (134444142041), we get a palindrome (274685586472).

The spelling of 140241444431 in words is "one hundred forty billion, two hundred forty-one million, four hundred forty-four thousand, four hundred thirty-one".