1899361552 has 60 divisors (see below), whose sum is σ = 4126517136. Its totient is φ = 839905920.

The previous prime is 1899361511. The next prime is 1899361553. The reversal of 1899361552 is 2551639981.

It is a junction number, because it is equal to n+sod(n) for n = 1899361496 and 1899361505.

It is not an unprimeable number, because it can be changed into a prime (1899361553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237003 + ... + 244885.

Almost surely, 2^1899361552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1899361552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063258568).

1899361552 is an abundant number, since it is smaller than the sum of its proper divisors (2227155584).

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

1899361552 is a wasteful number, since it uses less digits than its factorization.

1899361552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976 (or 7933 counting only the distinct ones).

The product of its digits is 583200, while the sum is 49.

The square root of 1899361552 is about 43581.6653192601. The cubic root of 1899361552 is about 1238.4235846775.

The spelling of 1899361552 in words is "one billion, eight hundred ninety-nine million, three hundred sixty-one thousand, five hundred fifty-two".