19304012448 has 384 divisors, whose sum is σ = 68558192640. Its totient is φ = 5158563840.

The previous prime is 19304012419. The next prime is 19304012461. The reversal of 19304012448 is 84421040391.

It is a happy number.

19304012448 is a `hidden beast` number, since 1 + 9 + 3 + 0 + 401 + 244 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 19637365 + ... + 19638347.

It is an arithmetic number, because the mean of its divisors is an integer number (178536960).

Almost surely, 2^19304012448 is an apocalyptic number.

19304012448 is a gapful number since it is divisible by the number (18) 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 19304012448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34279096320).

19304012448 is an abundant number, since it is smaller than the sum of its proper divisors (49254180192).

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

19304012448 is a wasteful number, since it uses less digits than its factorization.

19304012448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 19304012448 in words is "nineteen billion, three hundred four million, twelve thousand, four hundred forty-eight".