140005244000 has 96 divisors (see below), whose sum is σ = 345434544000. Its totient is φ = 55767398400.

The previous prime is 140005243997. The next prime is 140005244021. The reversal of 140005244000 is 442500041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882776 + ... + 1029224.

It is an arithmetic number, because the mean of its divisors is an integer number (3598276500).

Almost surely, 2^140005244000 is an apocalyptic number.

140005244000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140005244000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172717272000).

140005244000 is an abundant number, since it is smaller than the sum of its proper divisors (205429300000).

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

140005244000 is a wasteful number, since it uses less digits than its factorization.

140005244000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146713 (or 146695 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 140005244000 its reverse (442500041), we get a palindrome (140447744041).

The spelling of 140005244000 in words is "one hundred forty billion, five million, two hundred forty-four thousand".