19854901248 has 480 divisors, whose sum is σ = 68348292096. Its totient is φ = 4982833152.

The previous prime is 19854901217. The next prime is 19854901249. The reversal of 19854901248 is 84210945891.

It is a self number, because there is not a number n which added to its sum of digits gives 19854901248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19854901249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102875040 + ... + 102875232.

Almost surely, 2^19854901248 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 19854901248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34174146048).

19854901248 is an abundant number, since it is smaller than the sum of its proper divisors (48493390848).

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

19854901248 is a wasteful number, since it uses less digits than its factorization.

19854901248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 19854901248 in words is "nineteen billion, eight hundred fifty-four million, nine hundred one thousand, two hundred forty-eight".