19248387630 has 64 divisors (see below), whose sum is σ = 47739801600. Its totient is φ = 4961756160.

The previous prime is 19248387619. The next prime is 19248387643. The reversal of 19248387630 is 3678384291.

It is a congruent number.

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, 852831 + ... + 875109.

It is an arithmetic number, because the mean of its divisors is an integer number (745934400).

Almost surely, 2^19248387630 is an apocalyptic number.

19248387630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19248387630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23869900800).

19248387630 is an abundant number, since it is smaller than the sum of its proper divisors (28491413970).

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

19248387630 is a wasteful number, since it uses less digits than its factorization.

19248387630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23249.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 19248387630 in words is "nineteen billion, two hundred forty-eight million, three hundred eighty-seven thousand, six hundred thirty".