140455352240 has 240 divisors, whose sum is σ = 402774220800. Its totient is φ = 45290036736.

The previous prime is 140455352209. The next prime is 140455352243. The reversal of 140455352240 is 42253554041.

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 140455352240.

It is not an unprimeable number, because it can be changed into a prime (140455352243) 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, 10345937 + ... + 10359503.

It is an arithmetic number, because the mean of its divisors is an integer number (1678225920).

Almost surely, 2^140455352240 is an apocalyptic number.

140455352240 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 140455352240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201387110400).

140455352240 is an abundant number, since it is smaller than the sum of its proper divisors (262318868560).

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

140455352240 is a wasteful number, since it uses less digits than its factorization.

140455352240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13752 (or 13739 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 140455352240 in words is "one hundred forty billion, four hundred fifty-five million, three hundred fifty-two thousand, two hundred forty".