797440000 has 240 divisors, whose sum is σ = 2302700400. Its totient is φ = 270336000.

The previous prime is 797439959. The next prime is 797440019. The reversal of 797440000 is 44797.

797440000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8959956 + ... + 8960044.

It is an arithmetic number, because the mean of its divisors is an integer number (9594585).

Almost surely, 2^797440000 is an apocalyptic number.

797440000 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 797440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151350200).

797440000 is an abundant number, since it is smaller than the sum of its proper divisors (1505260400).

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

797440000 is an frugal number, since it uses more digits than its factorization.

797440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 797440000 is about 28238.9801515565. The cubic root of 797440000 is about 927.3265030037.

Adding to 797440000 its reverse (44797), we get a palindrome (797484797).

It can be divided in two parts, 7974 and 40000, that added together give a palindrome (47974).

The spelling of 797440000 in words is "seven hundred ninety-seven million, four hundred forty thousand".