899245670400 has 1800 divisors, whose sum is σ = 4184929933800. Its totient is φ = 186856243200.

The previous prime is 899245670383. The next prime is 899245670423. The reversal of 899245670400 is 4076542998.

899245670400 is a `hidden beast` number, since 89 + 9 + 2 + 456 + 70 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1800).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 81749606395 + ... + 81749606405.

Almost surely, 2^899245670400 is an apocalyptic number.

899245670400 is a gapful number since it is divisible by the number (80) 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 899245670400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092464966900).

899245670400 is an abundant number, since it is smaller than the sum of its proper divisors (3285684263400).

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

899245670400 is an frugal number, since it uses more digits than its factorization.

899245670400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 899245670400 in words is "eight hundred ninety-nine billion, two hundred forty-five million, six hundred seventy thousand, four hundred".