19627804252 has 96 divisors (see below), whose sum is σ = 41379351552. Its totient is φ = 7970006016.

The previous prime is 19627804247. The next prime is 19627804267. The reversal of 19627804252 is 25240872691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26416593 + ... + 26417335.

It is an arithmetic number, because the mean of its divisors is an integer number (431034912).

Almost surely, 2^19627804252 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 19627804252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20689675776).

19627804252 is an abundant number, since it is smaller than the sum of its proper divisors (21751547300).

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

19627804252 is a wasteful number, since it uses less digits than its factorization.

19627804252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 19627804252 in words is "nineteen billion, six hundred twenty-seven million, eight hundred four thousand, two hundred fifty-two".