899073239040 has 576 divisors, whose sum is σ = 3473085470400. Its totient is φ = 213766373376.

The previous prime is 899073238993. The next prime is 899073239093. The reversal of 899073239040 is 40932370998.

It is a tau number, because it is divible by the number of its divisors (576).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29752579 + ... + 29782781.

It is an arithmetic number, because the mean of its divisors is an integer number (6029662275).

Almost surely, 2^899073239040 is an apocalyptic number.

899073239040 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 899073239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736542735200).

899073239040 is an abundant number, since it is smaller than the sum of its proper divisors (2574012231360).

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

899073239040 is a wasteful number, since it uses less digits than its factorization.

899073239040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30272 (or 30249 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 899073239040 in words is "eight hundred ninety-nine billion, seventy-three million, two hundred thirty-nine thousand, forty".