140345354240 has 192 divisors, whose sum is σ = 414460126080. Its totient is φ = 44416696320.

The previous prime is 140345354239. The next prime is 140345354251. The reversal of 140345354240 is 42453543041.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 140345354240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856535 + ... + 1007145.

It is an arithmetic number, because the mean of its divisors is an integer number (2158646490).

Almost surely, 2^140345354240 is an apocalyptic number.

140345354240 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 140345354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207230063040).

140345354240 is an abundant number, since it is smaller than the sum of its proper divisors (274114771840).

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

140345354240 is a wasteful number, since it uses less digits than its factorization.

140345354240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150658 (or 150638 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 140345354240 its reverse (42453543041), we get a palindrome (182798897281).

The spelling of 140345354240 in words is "one hundred forty billion, three hundred forty-five million, three hundred fifty-four thousand, two hundred forty".