899242352740 has 24 divisors (see below), whose sum is σ = 1909627022520. Its totient is φ = 355655401728.

The previous prime is 899242352717. The next prime is 899242352759. The reversal of 899242352740 is 47253242998.

It can be written as a sum of positive squares in 4 ways, for example, as 94633984 + 899147718756 = 9728^2 + 948234^2 .

It is a super-2 number, since 2×899242352740² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252594387 + ... + 252597946.

It is an arithmetic number, because the mean of its divisors is an integer number (79567792605).

Almost surely, 2^899242352740 is an apocalyptic number.

It is an amenable number.

899242352740 is an abundant number, since it is smaller than the sum of its proper divisors (1010384669780).

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

899242352740 is a wasteful number, since it uses less digits than its factorization.

899242352740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505192431 (or 505192429 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 899242352740 in words is "eight hundred ninety-nine billion, two hundred forty-two million, three hundred fifty-two thousand, seven hundred forty".