794171051520 has 1440 divisors, whose sum is σ = 3296711746944. Its totient is φ = 162477342720.

The previous prime is 794171051507. The next prime is 794171051521. The reversal of 794171051520 is 25150171497.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (794171051521) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4872214959 + ... + 4872215121.

Almost surely, 2^794171051520 is an apocalyptic number.

794171051520 is a gapful number since it is divisible by the number (70) 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 794171051520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648355873472).

794171051520 is an abundant number, since it is smaller than the sum of its proper divisors (2502540695424).

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

794171051520 is a wasteful number, since it uses less digits than its factorization.

794171051520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 42.

The spelling of 794171051520 in words is "seven hundred ninety-four billion, one hundred seventy-one million, fifty-one thousand, five hundred twenty".