201532575464 has 32 divisors (see below), whose sum is σ = 433921816800. Its totient is φ = 86784361920.

The previous prime is 201532575421. The next prime is 201532575469. The reversal of 201532575464 is 464575235102.

201532575464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (201532575469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60265247 + ... + 60268590.

It is an arithmetic number, because the mean of its divisors is an integer number (13560056775).

Almost surely, 2^201532575464 is an apocalyptic number.

It is an amenable number.

201532575464 is an abundant number, since it is smaller than the sum of its proper divisors (232389241336).

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

201532575464 is a wasteful number, since it uses less digits than its factorization.

201532575464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120533873 (or 120533869 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 201532575464 in words is "two hundred one billion, five hundred thirty-two million, five hundred seventy-five thousand, four hundred sixty-four".