796397440 has 128 divisors (see below), whose sum is σ = 1986405120. Its totient is φ = 304988160.

The previous prime is 796397429. The next prime is 796397461. The reversal of 796397440 is 44793697.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717934 + ... + 2718226.

It is an arithmetic number, because the mean of its divisors is an integer number (15518790).

Almost surely, 2^796397440 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 796397440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993202560).

796397440 is an abundant number, since it is smaller than the sum of its proper divisors (1190007680).

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

796397440 is a wasteful number, since it uses less digits than its factorization.

796397440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 796397440 is about 28220.5145240125. The cubic root of 796397440 is about 926.9222029315.

The spelling of 796397440 in words is "seven hundred ninety-six million, three hundred ninety-seven thousand, four hundred forty".