6471478458 has 48 divisors (see below), whose sum is σ = 14495481000. Its totient is φ = 2085212160.

The previous prime is 6471478369. The next prime is 6471478459. The reversal of 6471478458 is 8548741746.

6471478458 is a `hidden beast` number, since 6 + 47 + 147 + 8 + 458 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4301129889 + 2170348569 = 65583^2 + 46587^2 .

It is not an unprimeable number, because it can be changed into a prime (6471478459) 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, 40218 + ... + 120666.

Almost surely, 2^6471478458 is an apocalyptic number.

6471478458 is an abundant number, since it is smaller than the sum of its proper divisors (8024002542).

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

6471478458 is a wasteful number, since it uses less digits than its factorization.

6471478458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80607 (or 80604 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The square root of 6471478458 is about 80445.4999238615. The cubic root of 6471478458 is about 1863.5219101270.

It can be divided in two parts, 6471478 and 458, that added together give a square (6471936 = 2544²).

The spelling of 6471478458 in words is "six billion, four hundred seventy-one million, four hundred seventy-eight thousand, four hundred fifty-eight".