140240444445 has 32 divisors (see below), whose sum is σ = 255397242240. Its totient is φ = 72970634880.

The previous prime is 140240444441. The next prime is 140240444483. The reversal of 140240444445 is 544444042041.

It is not a de Polignac number, because 140240444445 - 2² = 140240444441 is a prime.

It is a super-2 number, since 2×140240444445² (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 (140240444441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12662979 + ... + 12674048.

It is an arithmetic number, because the mean of its divisors is an integer number (7981163820).

Almost surely, 2^140240444445 is an apocalyptic number.

140240444445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140240444445 is a deficient number, since it is larger than the sum of its proper divisors (115156797795).

140240444445 is a wasteful number, since it uses less digits than its factorization.

140240444445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25337082 (or 25337076 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 36.

Adding to 140240444445 its reverse (544444042041), we get a palindrome (684684486486).

The spelling of 140240444445 in words is "one hundred forty billion, two hundred forty million, four hundred forty-four thousand, four hundred forty-five".