6240776646 has 32 divisors (see below), whose sum is σ = 13516796160. Its totient is φ = 1909507104.

The previous prime is 6240776627. The next prime is 6240776657. The reversal of 6240776646 is 6466770426.

It is a junction number, because it is equal to n+sod(n) for n = 6240776595 and 6240776604.

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, 209530 + ... + 237453.

It is an arithmetic number, because the mean of its divisors is an integer number (422399880).

Almost surely, 2^6240776646 is an apocalyptic number.

6240776646 is an abundant number, since it is smaller than the sum of its proper divisors (7276019514).

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

6240776646 is a wasteful number, since it uses less digits than its factorization.

6240776646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447180.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The square root of 6240776646 is about 78998.5863544405. The cubic root of 6240776646 is about 1841.1091931836.

The spelling of 6240776646 in words is "six billion, two hundred forty million, seven hundred seventy-six thousand, six hundred forty-six".