19486430760 has 128 divisors (see below), whose sum is σ = 61065031680. Its totient is φ = 4965235968.

The previous prime is 19486430749. The next prime is 19486430791. The reversal of 19486430760 is 6703468491.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3096337 + ... + 3102623.

It is an arithmetic number, because the mean of its divisors is an integer number (477070560).

Almost surely, 2^19486430760 is an apocalyptic number.

19486430760 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 19486430760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30532515840).

19486430760 is an abundant number, since it is smaller than the sum of its proper divisors (41578600920).

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

19486430760 is a wasteful number, since it uses less digits than its factorization.

19486430760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447 (or 7443 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 19486430760 in words is "nineteen billion, four hundred eighty-six million, four hundred thirty thousand, seven hundred sixty".