140486665620 has 192 divisors, whose sum is σ = 466212902400. Its totient is φ = 30927052800.

The previous prime is 140486665609. The next prime is 140486665621. The reversal of 140486665620 is 26566684041.

It is a self number, because there is not a number n which added to its sum of digits gives 140486665620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140486665621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4967520 + ... + 4995720.

It is an arithmetic number, because the mean of its divisors is an integer number (2428192200).

Almost surely, 2^140486665620 is an apocalyptic number.

140486665620 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 140486665620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233106451200).

140486665620 is an abundant number, since it is smaller than the sum of its proper divisors (325726236780).

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

140486665620 is a wasteful number, since it uses less digits than its factorization.

140486665620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28658 (or 28656 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 140486665620 in words is "one hundred forty billion, four hundred eighty-six million, six hundred sixty-five thousand, six hundred twenty".