855680496 has 240 divisors, whose sum is σ = 2612832768. Its totient is φ = 239052800.

The previous prime is 855680479. The next prime is 855680503. The reversal of 855680496 is 694086558.

It is a super-2 number, since 2×855680496² = 1464378222469612032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18205945 + ... + 18205991.

Almost surely, 2^855680496 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 855680496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306416384).

855680496 is an abundant number, since it is smaller than the sum of its proper divisors (1757152272).

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

855680496 is a wasteful number, since it uses less digits than its factorization.

855680496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The square root of 855680496 is about 29252.0169561007. The cubic root of 855680496 is about 949.3737316496.

The spelling of 855680496 in words is "eight hundred fifty-five million, six hundred eighty thousand, four hundred ninety-six".