140494434400 has 144 divisors (see below), whose sum is σ = 350473193280. Its totient is φ = 54979545600.

The previous prime is 140494434397. The next prime is 140494434481. The reversal of 140494434400 is 4434494041.

140494434400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140494434400.

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, 9952147 + ... + 9966253.

It is an arithmetic number, because the mean of its divisors is an integer number (2433841620).

Almost surely, 2^140494434400 is an apocalyptic number.

140494434400 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 140494434400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175236596640).

140494434400 is an abundant number, since it is smaller than the sum of its proper divisors (209978758880).

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

140494434400 is a wasteful number, since it uses less digits than its factorization.

140494434400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14397 (or 14384 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 140494434400 in words is "one hundred forty billion, four hundred ninety-four million, four hundred thirty-four thousand, four hundred".