19149016480 has 96 divisors (see below), whose sum is σ = 49392141120. Its totient is φ = 6957649920.

The previous prime is 19149016433. The next prime is 19149016493. The reversal of 19149016480 is 8461094191.

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, 2616987 + ... + 2624293.

It is an arithmetic number, because the mean of its divisors is an integer number (514501470).

Almost surely, 2^19149016480 is an apocalyptic number.

19149016480 is a gapful number since it is divisible by the number (10) 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 19149016480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24696070560).

19149016480 is an abundant number, since it is smaller than the sum of its proper divisors (30243124640).

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

19149016480 is a wasteful number, since it uses less digits than its factorization.

19149016480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822 (or 8814 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

It can be divided in two parts, 191490164 and 80, that added together give a square (191490244 = 13838²).

The spelling of 19149016480 in words is "nineteen billion, one hundred forty-nine million, sixteen thousand, four hundred eighty".