794552640 has 448 divisors, whose sum is σ = 3121152000. Its totient is φ = 170698752.

The previous prime is 794552639. The next prime is 794552663. The reversal of 794552640 is 46255497.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is a junction number, because it is equal to n+sod(n) for n = 794552592 and 794552601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6256257 + ... + 6256383.

Almost surely, 2^794552640 is an apocalyptic number.

794552640 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 794552640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560576000).

794552640 is an abundant number, since it is smaller than the sum of its proper divisors (2326599360).

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

794552640 is a wasteful number, since it uses less digits than its factorization.

794552640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 794552640 is about 28187.8101313316. The cubic root of 794552640 is about 926.2059323649.

The spelling of 794552640 in words is "seven hundred ninety-four million, five hundred fifty-two thousand, six hundred forty".