19044148000 has 96 divisors (see below), whose sum is σ = 49544088048. Its totient is φ = 7169536000.

The previous prime is 19044147973. The next prime is 19044148003. The reversal of 19044148000 is 84144091.

It can be written as a sum of positive squares in 8 ways, for example, as 3209449104 + 15834698896 = 56652^2 + 125836^2 .

It is not an unprimeable number, because it can be changed into a prime (19044148003) 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, 72031 + ... + 208030.

Almost surely, 2^19044148000 is an apocalyptic number.

19044148000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19044148000 is an abundant number, since it is smaller than the sum of its proper divisors (30499940048).

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

19044148000 is a wasteful number, since it uses less digits than its factorization.

19044148000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280103 (or 280085 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 19044148000 in words is "nineteen billion, forty-four million, one hundred forty-eight thousand".