899507576448 has 640 divisors, whose sum is σ = 2944348989120. Its totient is φ = 270936244224.

The previous prime is 899507576417. The next prime is 899507576459. The reversal of 899507576448 is 844675705998.

899507576448 is a `hidden beast` number, since 8 + 9 + 9 + 5 + 0 + 7 + 576 + 4 + 48 = 666.

It is a super-2 number, since 2×899507576448² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1398922815 + ... + 1398923457.

Almost surely, 2^899507576448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899507576448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472174494560).

899507576448 is an abundant number, since it is smaller than the sum of its proper divisors (2044841412672).

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

899507576448 is a wasteful number, since it uses less digits than its factorization.

899507576448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 72.

The spelling of 899507576448 in words is "eight hundred ninety-nine billion, five hundred seven million, five hundred seventy-six thousand, four hundred forty-eight".