140443561400 has 96 divisors (see below), whose sum is σ = 345042201600. Its totient is φ = 53054601600.

The previous prime is 140443561387. The next prime is 140443561409. The reversal of 140443561400 is 4165344041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140443561409) 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, 170165 + ... + 556635.

It is an arithmetic number, because the mean of its divisors is an integer number (3594189600).

Almost surely, 2^140443561400 is an apocalyptic number.

140443561400 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 140443561400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172521100800).

140443561400 is an abundant number, since it is smaller than the sum of its proper divisors (204598640200).

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

140443561400 is a wasteful number, since it uses less digits than its factorization.

140443561400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386589 (or 386580 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 140443561400 in words is "one hundred forty billion, four hundred forty-three million, five hundred sixty-one thousand, four hundred".