140221301433240 has 256 divisors, whose sum is σ = 426470735577600. Its totient is φ = 36877800960000.

The previous prime is 140221301433233. The next prime is 140221301433271. The reversal of 140221301433240 is 42334103122041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 140221301433198 and 140221301433207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20028749740 + ... + 20028756740.

It is an arithmetic number, because the mean of its divisors is an integer number (1665901310850).

Almost surely, 2^{140221301433240} is an apocalyptic number.

140221301433240 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 140221301433240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213235367788800).

140221301433240 is an abundant number, since it is smaller than the sum of its proper divisors (286249434144360).

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

140221301433240 is a wasteful number, since it uses less digits than its factorization.

140221301433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298 (or 10294 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 140221301433240 its reverse (42334103122041), we get a palindrome (182555404555281).

The spelling of 140221301433240 in words is "one hundred forty trillion, two hundred twenty-one billion, three hundred one million, four hundred thirty-three thousand, two hundred forty".