140120449326 has 96 divisors (see below), whose sum is σ = 356879053440. Its totient is φ = 39171585600.

The previous prime is 140120449321. The next prime is 140120449333. The reversal of 140120449326 is 623944021041.

140120449326 is a `hidden beast` number, since 1 + 40 + 120 + 4 + 493 + 2 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140120449321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4646485 + ... + 4676543.

It is an arithmetic number, because the mean of its divisors is an integer number (3717490140).

Almost surely, 2^140120449326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140120449326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178439526720).

140120449326 is an abundant number, since it is smaller than the sum of its proper divisors (216758604114).

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

140120449326 is a wasteful number, since it uses less digits than its factorization.

140120449326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31902 (or 31899 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 140120449326 in words is "one hundred forty billion, one hundred twenty million, four hundred forty-nine thousand, three hundred twenty-six".