1919936032 has 72 divisors (see below), whose sum is σ = 4405510620. Its totient is φ = 821237760.

The previous prime is 1919936027. The next prime is 1919936047. The reversal of 1919936032 is 2306399191.

It can be written as a sum of positive squares in 2 ways, for example, as 1915287696 + 4648336 = 43764^2 + 2156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1919936032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1192444 + ... + 1194052.

Almost surely, 2^1919936032 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 1919936032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2202755310).

1919936032 is an abundant number, since it is smaller than the sum of its proper divisors (2485574588).

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

1919936032 is a wasteful number, since it uses less digits than its factorization.

1919936032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2379 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 1919936032 is about 43817.0746627385. The cubic root of 1919936032 is about 1242.8791992110.

It can be divided in two parts, 191993 and 6032, that added together give a square (198025 = 445²).

The spelling of 1919936032 in words is "one billion, nine hundred nineteen million, nine hundred thirty-six thousand, thirty-two".