6542572032 has 60 divisors (see below), whose sum is σ = 18882319170. Its totient is φ = 2180855808.

The previous prime is 6542571977. The next prime is 6542572061. The reversal of 6542572032 is 2302752456.

6542572032 is a `hidden beast` number, since 6 + 54 + 2 + 572 + 0 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4343337216 + 2199234816 = 65904^2 + 46896^2 .

It is a super-3 number, since 3×6542572032³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705307 + ... + 714522.

Almost surely, 2^6542572032 is an apocalyptic number.

It is an amenable number.

6542572032 is an abundant number, since it is smaller than the sum of its proper divisors (12339747138).

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

6542572032 is a wasteful number, since it uses less digits than its factorization.

6542572032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419853 (or 1419834 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 6542572032 is about 80886.1671239279. The cubic root of 6542572032 is about 1870.3210894968.

The spelling of 6542572032 in words is "six billion, five hundred forty-two million, five hundred seventy-two thousand, thirty-two".