12647228040 has 96 divisors (see below), whose sum is σ = 42890627520. Its totient is φ = 3225957504.

The previous prime is 12647228029. The next prime is 12647228089. The reversal of 12647228040 is 4082274621.

12647228040 is a `hidden beast` number, since 1 + 2 + 647 + 2 + 2 + 8 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12647227986 and 12647228004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755442 + ... + 772001.

It is an arithmetic number, because the mean of its divisors is an integer number (446777370).

Almost surely, 2^12647228040 is an apocalyptic number.

12647228040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12647228040 is an abundant number, since it is smaller than the sum of its proper divisors (30243399480).

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

12647228040 is a wasteful number, since it uses less digits than its factorization.

12647228040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527483 (or 1527476 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 12647228040 in words is "twelve billion, six hundred forty-seven million, two hundred twenty-eight thousand, forty".