140240323032400 has 120 divisors (see below), whose sum is σ = 343301146007904. Its totient is φ = 55035042316800.

The previous prime is 140240323032389. The next prime is 140240323032401. The reversal of 140240323032400 is 4230323042041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140240323032401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469367055 + ... + 469665745.

Almost surely, 2^{140240323032400} is an apocalyptic number.

140240323032400 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 140240323032400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171650573003952).

140240323032400 is an abundant number, since it is smaller than the sum of its proper divisors (203060822975504).

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

140240323032400 is a wasteful number, since it uses less digits than its factorization.

140240323032400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320909 (or 320898 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 140240323032400 its reverse (4230323042041), we get a palindrome (144470646074441).

The spelling of 140240323032400 in words is "one hundred forty trillion, two hundred forty billion, three hundred twenty-three million, thirty-two thousand, four hundred".