140797772640 has 768 divisors, whose sum is σ = 598682327040. Its totient is φ = 30169497600.

The previous prime is 140797772639. The next prime is 140797772651. The reversal of 140797772640 is 46277797041.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 206145739 + ... + 206146421.

It is an arithmetic number, because the mean of its divisors is an integer number (779534280).

Almost surely, 2^140797772640 is an apocalyptic number.

140797772640 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 140797772640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299341163520).

140797772640 is an abundant number, since it is smaller than the sum of its proper divisors (457884554400).

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

140797772640 is a wasteful number, since it uses less digits than its factorization.

140797772640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The spelling of 140797772640 in words is "one hundred forty billion, seven hundred ninety-seven million, seven hundred seventy-two thousand, six hundred forty".