1899519952 has 120 divisors (see below), whose sum is σ = 4369720320. Its totient is φ = 796857600.

The previous prime is 1899519917. The next prime is 1899519953. The reversal of 1899519952 is 2599159981.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1899519953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1290577 + ... + 1292047.

It is an arithmetic number, because the mean of its divisors is an integer number (36414336).

Almost surely, 2^1899519952 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 1899519952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2184860160).

1899519952 is an abundant number, since it is smaller than the sum of its proper divisors (2470200368).

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

1899519952 is a wasteful number, since it uses less digits than its factorization.

1899519952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1536 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 58.

The square root of 1899519952 is about 43583.4825593366. The cubic root of 1899519952 is about 1238.4580104284.

The spelling of 1899519952 in words is "one billion, eight hundred ninety-nine million, five hundred nineteen thousand, nine hundred fifty-two".