1899849552 has 80 divisors (see below), whose sum is σ = 5206006080. Its totient is φ = 594958336.

The previous prime is 1899849541. The next prime is 1899849559. The reversal of 1899849552 is 2559489981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1899849559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535978 + ... + 539510.

It is an arithmetic number, because the mean of its divisors is an integer number (65075076).

Almost surely, 2^1899849552 is an apocalyptic number.

1899849552 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 1899849552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603003040).

1899849552 is an abundant number, since it is smaller than the sum of its proper divisors (3306156528).

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

1899849552 is a wasteful number, since it uses less digits than its factorization.

1899849552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4214 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 60.

The square root of 1899849552 is about 43587.2636443262. The cubic root of 1899849552 is about 1238.5296376751.

The spelling of 1899849552 in words is "one billion, eight hundred ninety-nine million, eight hundred forty-nine thousand, five hundred fifty-two".