1044605225808 has 480 divisors, whose sum is σ = 3236714836992. Its totient is φ = 313067520000.

The previous prime is 1044605225773. The next prime is 1044605225837. The reversal of 1044605225808 is 8085225064401.

1044605225808 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 60 + 5 + 2 + 2 + 580 + 8 = 666.

It is a super-3 number, since 3×1044605225808³ (a number of 37 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 95 ways as a sum of consecutive naturals, for example, 3295284466 + ... + 3295284782.

Almost surely, 2^{1044605225808} is an apocalyptic number.

1044605225808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044605225808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618357418496).

1044605225808 is an abundant number, since it is smaller than the sum of its proper divisors (2192109611184).

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

1044605225808 is a wasteful number, since it uses less digits than its factorization.

1044605225808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 1044605225808 in words is "one trillion, forty-four billion, six hundred five million, two hundred twenty-five thousand, eight hundred eight".