770793225840 has 240 divisors, whose sum is σ = 2833113419136. Its totient is φ = 186249715200.

The previous prime is 770793225833. The next prime is 770793225841. The reversal of 770793225840 is 48522397077.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770793225841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2272935 + ... + 2589945.

Almost surely, 2^770793225840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770793225840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416556709568).

770793225840 is an abundant number, since it is smaller than the sum of its proper divisors (2062320193296).

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

770793225840 is a wasteful number, since it uses less digits than its factorization.

770793225840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317348 (or 317339 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 770793225840 in words is "seven hundred seventy billion, seven hundred ninety-three million, two hundred twenty-five thousand, eight hundred forty".