6448570542 has 80 divisors (see below), whose sum is σ = 14619432960. Its totient is φ = 2124399312.

The previous prime is 6448570517. The next prime is 6448570547. The reversal of 6448570542 is 2450758446.

6448570542 is a `hidden beast` number, since 64 + 48 + 5 + 7 + 0 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448570547) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7797133 + ... + 7797959.

It is an arithmetic number, because the mean of its divisors is an integer number (182742912).

Almost surely, 2^6448570542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6448570542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7309716480).

6448570542 is an abundant number, since it is smaller than the sum of its proper divisors (8170862418).

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

6448570542 is a wasteful number, since it uses less digits than its factorization.

6448570542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The square root of 6448570542 is about 80302.9921111287. The cubic root of 6448570542 is about 1861.3204619320.

The spelling of 6448570542 in words is "six billion, four hundred forty-eight million, five hundred seventy thousand, five hundred forty-two".