19307090448 has 80 divisors (see below), whose sum is σ = 55724905600. Its totient is φ = 6400114560.

The previous prime is 19307090441. The next prime is 19307090449. The reversal of 19307090448 is 84409070391.

It is not an unprimeable number, because it can be changed into a prime (19307090441) 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, 45268 + ... + 201651.

It is an arithmetic number, because the mean of its divisors is an integer number (696561320).

Almost surely, 2^19307090448 is an apocalyptic number.

19307090448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19307090448 is an abundant number, since it is smaller than the sum of its proper divisors (36417815152).

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

19307090448 is a wasteful number, since it uses less digits than its factorization.

19307090448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247117 (or 247105 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 19307090448 in words is "nineteen billion, three hundred seven million, ninety thousand, four hundred forty-eight".