140778438570080 has 192 divisors, whose sum is σ = 351981157570560. Its totient is φ = 53099730917376.

The previous prime is 140778438570041. The next prime is 140778438570097. The reversal of 140778438570080 is 80075834877041.

It is a Cunningham number, because it is equal to 11865009²-1.

It is a junction number, because it is equal to n+sod(n) for n = 140778438569995 and 140778438570022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189469379 + ... + 190210941.

It is an arithmetic number, because the mean of its divisors is an integer number (1833235195680).

Almost surely, 2^{140778438570080} is an apocalyptic number.

140778438570080 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 140778438570080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175990578785280).

140778438570080 is an abundant number, since it is smaller than the sum of its proper divisors (211202719000480).

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

140778438570080 is a wasteful number, since it uses less digits than its factorization.

140778438570080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742333 (or 742325 counting only the distinct ones).

The product of its (nonzero) digits is 42147840, while the sum is 62.

The spelling of 140778438570080 in words is "one hundred forty trillion, seven hundred seventy-eight billion, four hundred thirty-eight million, five hundred seventy thousand, eighty".