288945256572 has 36 divisors (see below), whose sum is σ = 834730741936. Its totient is φ = 82555787520.

The previous prime is 288945256541. The next prime is 288945256687. The reversal of 288945256572 is 275652549882.

It is a happy number.

288945256572 is a `hidden beast` number, since 2 + 8 + 8 + 9 + 4 + 5 + 2 + 56 + 572 = 666.

288945256572 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×288945256572² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573303829 + ... + 573304332.

Almost surely, 2^288945256572 is an apocalyptic number.

It is an amenable number.

288945256572 is an abundant number, since it is smaller than the sum of its proper divisors (545785485364).

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

288945256572 is a wasteful number, since it uses less digits than its factorization.

288945256572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146608178 (or 1146608173 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 63.

The spelling of 288945256572 in words is "two hundred eighty-eight billion, nine hundred forty-five million, two hundred fifty-six thousand, five hundred seventy-two".