19008462912 has 112 divisors (see below), whose sum is σ = 50994746880. Its totient is φ = 6248337408.

The previous prime is 19008462901. The next prime is 19008462937. The reversal of 19008462912 is 21926480091.

It is a super-2 number, since 2×19008462912² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4664908 + ... + 4668980.

It is an arithmetic number, because the mean of its divisors is an integer number (455310240).

Almost surely, 2^19008462912 is an apocalyptic number.

19008462912 is a gapful number since it is divisible by the number (12) 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 19008462912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25497373440).

19008462912 is an abundant number, since it is smaller than the sum of its proper divisors (31986283968).

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

19008462912 is a wasteful number, since it uses less digits than its factorization.

19008462912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420 (or 4410 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 19008462912 in words is "nineteen billion, eight million, four hundred sixty-two thousand, nine hundred twelve".