202561883460 has 96 divisors (see below), whose sum is σ = 637785348480. Its totient is φ = 53365689216.

The previous prime is 202561883423. The next prime is 202561883501. The reversal of 202561883460 is 64388165202.

202561883460 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 6 + 188 + 3 + 460 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214907 + ... + 2304546.

It is an arithmetic number, because the mean of its divisors is an integer number (6643597380).

Almost surely, 2^202561883460 is an apocalyptic number.

202561883460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202561883460 is an abundant number, since it is smaller than the sum of its proper divisors (435223465020).

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

202561883460 is a wasteful number, since it uses less digits than its factorization.

202561883460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519554 (or 4519546 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 202561883460 in words is "two hundred two billion, five hundred sixty-one million, eight hundred eighty-three thousand, four hundred sixty".