6471242544 has 120 divisors (see below), whose sum is σ = 18544719312. Its totient is φ = 1942487040.

The previous prime is 6471242537. The next prime is 6471242549. The reversal of 6471242544 is 4452421746.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6471242549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322864 + ... + 342320.

Almost surely, 2^6471242544 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 6471242544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9272359656).

6471242544 is an abundant number, since it is smaller than the sum of its proper divisors (12073476768).

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

6471242544 is a wasteful number, since it uses less digits than its factorization.

6471242544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19535 (or 19516 counting only the distinct ones).

The product of its digits is 215040, while the sum is 39.

The square root of 6471242544 is about 80444.0336134384. The cubic root of 6471242544 is about 1863.4992653145.

The spelling of 6471242544 in words is "six billion, four hundred seventy-one million, two hundred forty-two thousand, five hundred forty-four".