1899229330152 has 288 divisors, whose sum is σ = 6594806574720. Its totient is φ = 488219719680.

The previous prime is 1899229330121. The next prime is 1899229330217. The reversal of 1899229330152 is 2510339229981.

1899229330152 is a `hidden beast` number, since 1 + 89 + 9 + 229 + 330 + 1 + 5 + 2 = 666.

It is a super-2 number, since 2×1899229330152² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3512113 + ... + 4016639.

It is an arithmetic number, because the mean of its divisors is an integer number (22898633940).

Almost surely, 2^{1899229330152} is an apocalyptic number.

1899229330152 is a gapful number since it is divisible by the number (12) 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 1899229330152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3297403287360).

1899229330152 is an abundant number, since it is smaller than the sum of its proper divisors (4695577244568).

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

1899229330152 is a wasteful number, since it uses less digits than its factorization.

1899229330152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504661 (or 504647 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 1899229330152 in words is "one trillion, eight hundred ninety-nine billion, two hundred twenty-nine million, three hundred thirty thousand, one hundred fifty-two".