797467991040 has 1584 divisors, whose sum is σ = 3392256172032. Its totient is φ = 179087376384.

The previous prime is 797467990997. The next prime is 797467991071. The reversal of 797467991040 is 40199764797.

797467991040 is a `hidden beast` number, since 79 + 7 + 467 + 99 + 10 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6279275457 + ... + 6279275583.

Almost surely, 2^797467991040 is an apocalyptic number.

797467991040 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 797467991040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696128086016).

797467991040 is an abundant number, since it is smaller than the sum of its proper divisors (2594788180992).

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

797467991040 is a wasteful number, since it uses less digits than its factorization.

797467991040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 797467991040 in words is "seven hundred ninety-seven billion, four hundred sixty-seven million, nine hundred ninety-one thousand, forty".