6448544046 has 24 divisors (see below), whose sum is σ = 15967823664. Its totient is φ = 1842441120.

The previous prime is 6448544021. The next prime is 6448544059. The reversal of 6448544046 is 6404458446.

6448544046 is a `hidden beast` number, since 64 + 4 + 8 + 544 + 0 + 46 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6448543992 and 6448544010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25589335 + ... + 25589586.

It is an arithmetic number, because the mean of its divisors is an integer number (665325986).

Almost surely, 2^6448544046 is an apocalyptic number.

6448544046 is an abundant number, since it is smaller than the sum of its proper divisors (9519279618).

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

6448544046 is a wasteful number, since it uses less digits than its factorization.

6448544046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51178936 (or 51178933 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 45.

The square root of 6448544046 is about 80302.8271357864. The cubic root of 6448544046 is about 1861.3179126531.

The spelling of 6448544046 in words is "six billion, four hundred forty-eight million, five hundred forty-four thousand, forty-six".