19752448 has 40 divisors (see below), whose sum is σ = 39872448. Its totient is φ = 9775104.

The previous prime is 19752431. The next prime is 19752479. The reversal of 19752448 is 84425791.

It is a self number, because there is not a number n which added to its sum of digits gives 19752448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88465 + ... + 88687.

Almost surely, 2^19752448 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 19752448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19936224).

19752448 is an abundant number, since it is smaller than the sum of its proper divisors (20120000).

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

19752448 is an equidigital number, since it uses as much as digits as its factorization.

19752448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 398 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 19752448 is about 4444.3726216419. The cubic root of 19752448 is about 270.3171764124.

The spelling of 19752448 in words is "nineteen million, seven hundred fifty-two thousand, four hundred forty-eight".