19235924952 has 128 divisors (see below), whose sum is σ = 49570160640. Its totient is φ = 6218311680.

The previous prime is 19235924951. The next prime is 19235924989. The reversal of 19235924952 is 25942953291.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19235924895 and 19235924904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19235924951) 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 31 ways as a sum of consecutive naturals, for example, 57079728 + ... + 57080064.

It is an arithmetic number, because the mean of its divisors is an integer number (387266880).

Almost surely, 2^19235924952 is an apocalyptic number.

19235924952 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 19235924952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24785080320).

19235924952 is an abundant number, since it is smaller than the sum of its proper divisors (30334235688).

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

19235924952 is a wasteful number, since it uses less digits than its factorization.

19235924952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 837 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 51.

The spelling of 19235924952 in words is "nineteen billion, two hundred thirty-five million, nine hundred twenty-four thousand, nine hundred fifty-two".