140643522630 has 192 divisors, whose sum is σ = 419073782400. Its totient is φ = 32418828288.

The previous prime is 140643522601. The next prime is 140643522689. The reversal of 140643522630 is 36225346041.

140643522630 is a `hidden beast` number, since 1 + 4 + 0 + 643 + 5 + 2 + 2 + 6 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3940344 + ... + 3975876.

It is an arithmetic number, because the mean of its divisors is an integer number (2182675950).

Almost surely, 2^140643522630 is an apocalyptic number.

140643522630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140643522630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209536891200).

140643522630 is an abundant number, since it is smaller than the sum of its proper divisors (278430259770).

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

140643522630 is a wasteful number, since it uses less digits than its factorization.

140643522630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35775 (or 35772 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 140643522630 its reverse (36225346041), we get a palindrome (176868868671).

The spelling of 140643522630 in words is "one hundred forty billion, six hundred forty-three million, five hundred twenty-two thousand, six hundred thirty".