140434312400 has 120 divisors (see below), whose sum is σ = 355425465600. Its totient is φ = 53176089600.

The previous prime is 140434312391. The next prime is 140434312411. The reversal of 140434312400 is 4213434041.

It is a self number, because there is not a number n which added to its sum of digits gives 140434312400.

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, 10929980 + ... + 10942820.

It is an arithmetic number, because the mean of its divisors is an integer number (2961878880).

Almost surely, 2^140434312400 is an apocalyptic number.

140434312400 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 140434312400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177712732800).

140434312400 is an abundant number, since it is smaller than the sum of its proper divisors (214991153200).

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

140434312400 is a wasteful number, since it uses less digits than its factorization.

140434312400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14317 (or 14306 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 140434312400 its reverse (4213434041), we get a palindrome (144647746441).

The spelling of 140434312400 in words is "one hundred forty billion, four hundred thirty-four million, three hundred twelve thousand, four hundred".