140442553200 has 120 divisors (see below), whose sum is σ = 451350917248. Its totient is φ = 37329258240.

The previous prime is 140442553177. The next prime is 140442553231. The reversal of 140442553200 is 2355244041.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×140442553200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177789 + ... + 559011.

Almost surely, 2^140442553200 is an apocalyptic number.

140442553200 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 140442553200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225675458624).

140442553200 is an abundant number, since it is smaller than the sum of its proper divisors (310908364048).

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

140442553200 is a wasteful number, since it uses less digits than its factorization.

140442553200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381551 (or 381540 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 140442553200 its reverse (2355244041), we get a palindrome (142797797241).

The spelling of 140442553200 in words is "one hundred forty billion, four hundred forty-two million, five hundred fifty-three thousand, two hundred".