19852775628 has 48 divisors (see below), whose sum is σ = 53730910464. Its totient is φ = 5587560000.

The previous prime is 19852775623. The next prime is 19852775639. The reversal of 19852775628 is 82657725891.

It is not an unprimeable number, because it can be changed into a prime (19852775623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1758123 + ... + 1769378.

It is an arithmetic number, because the mean of its divisors is an integer number (1119393968).

Almost surely, 2^19852775628 is an apocalyptic number.

It is an amenable number.

19852775628 is an abundant number, since it is smaller than the sum of its proper divisors (33878134836).

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

19852775628 is a wasteful number, since it uses less digits than its factorization.

19852775628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527582 (or 3527580 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 60.

The spelling of 19852775628 in words is "nineteen billion, eight hundred fifty-two million, seven hundred seventy-five thousand, six hundred twenty-eight".