1919528952 has 64 divisors (see below), whose sum is σ = 5240678400. Its totient is φ = 581053440.

The previous prime is 1919528929. The next prime is 1919528953. The reversal of 1919528952 is 2598259191.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1919528895 and 1919528904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919528953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283624 + ... + 290312.

It is an arithmetic number, because the mean of its divisors is an integer number (81885600).

Almost surely, 2^1919528952 is an apocalyptic number.

1919528952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1919528952 is an abundant number, since it is smaller than the sum of its proper divisors (3321149448).

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

1919528952 is a wasteful number, since it uses less digits than its factorization.

1919528952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796 (or 7792 counting only the distinct ones).

The product of its digits is 583200, while the sum is 51.

The square root of 1919528952 is about 43812.4291953779. The cubic root of 1919528952 is about 1242.7913513142.

The spelling of 1919528952 in words is "one billion, nine hundred nineteen million, five hundred twenty-eight thousand, nine hundred fifty-two".