12288575440 has 40 divisors (see below), whose sum is σ = 28589741568. Its totient is φ = 4912195200.

The previous prime is 12288575437. The next prime is 12288575459. The reversal of 12288575440 is 4457588221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×12288575440³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73665 + ... + 173215.

Almost surely, 2^12288575440 is an apocalyptic number.

12288575440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12288575440 is an abundant number, since it is smaller than the sum of its proper divisors (16301166128).

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

12288575440 is a wasteful number, since it uses less digits than its factorization.

12288575440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101107 (or 101101 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 46.

The spelling of 12288575440 in words is "twelve billion, two hundred eighty-eight million, five hundred seventy-five thousand, four hundred forty".