140764446420 has 192 divisors, whose sum is σ = 429463835136. Its totient is φ = 34242232320.

The previous prime is 140764446419. The next prime is 140764446437. The reversal of 140764446420 is 24644467041.

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, 102972577 + ... + 102973943.

It is an arithmetic number, because the mean of its divisors is an integer number (2236790808).

Almost surely, 2^140764446420 is an apocalyptic number.

140764446420 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 140764446420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214731917568).

140764446420 is an abundant number, since it is smaller than the sum of its proper divisors (288699388716).

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

140764446420 is a wasteful number, since it uses less digits than its factorization.

140764446420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 42.

The spelling of 140764446420 in words is "one hundred forty billion, seven hundred sixty-four million, four hundred forty-six thousand, four hundred twenty".