19134031488 has 512 divisors, whose sum is σ = 64157184000. Its totient is φ = 4963368960.

The previous prime is 19134031463. The next prime is 19134031489. The reversal of 19134031488 is 88413043191.

It is a happy number.

It is a super-2 number, since 2×19134031488² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19134031489) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96150813 + ... + 96151011.

It is an arithmetic number, because the mean of its divisors is an integer number (125307000).

Almost surely, 2^19134031488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19134031488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32078592000).

19134031488 is an abundant number, since it is smaller than the sum of its proper divisors (45023152512).

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

19134031488 is a wasteful number, since it uses less digits than its factorization.

19134031488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 19134031488 in words is "nineteen billion, one hundred thirty-four million, thirty-one thousand, four hundred eighty-eight".