202140064456 has 32 divisors (see below), whose sum is σ = 413530668000. Its totient is φ = 91867991040.

The previous prime is 202140064453. The next prime is 202140064457. The reversal of 202140064456 is 654460041202.

It is not an unprimeable number, because it can be changed into a prime (202140064453) 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, 425320 + ... + 764968.

It is an arithmetic number, because the mean of its divisors is an integer number (12922833375).

Almost surely, 2^202140064456 is an apocalyptic number.

It is an amenable number.

202140064456 is an abundant number, since it is smaller than the sum of its proper divisors (211390603544).

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

202140064456 is a wasteful number, since it uses less digits than its factorization.

202140064456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346429 (or 346425 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 202140064456 in words is "two hundred two billion, one hundred forty million, sixty-four thousand, four hundred fifty-six".