1226904384888 has 128 divisors (see below), whose sum is σ = 4194544972800. Its totient is φ = 323579173248.

The previous prime is 1226904384877. The next prime is 1226904384917. The reversal of 1226904384888 is 8884834096221.

1226904384888 is a `hidden beast` number, since 1 + 2 + 26 + 90 + 43 + 8 + 488 + 8 = 666.

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 31 ways as a sum of consecutive naturals, for example, 31189756 + ... + 31229067.

It is an arithmetic number, because the mean of its divisors is an integer number (32769882600).

Almost surely, 2^{1226904384888} is an apocalyptic number.

1226904384888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1226904384888 is an abundant number, since it is smaller than the sum of its proper divisors (2967640587912).

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

1226904384888 is a wasteful number, since it uses less digits than its factorization.

1226904384888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62418858 (or 62418848 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 1226904384888 in words is "one trillion, two hundred twenty-six billion, nine hundred four million, three hundred eighty-four thousand, eight hundred eighty-eight".