19748124000 has 576 divisors, whose sum is σ = 79332244992. Its totient is φ = 4784832000.

The previous prime is 19748123999. The next prime is 19748124043. The reversal of 19748124000 is 42184791.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10691077 + ... + 10692923.

It is an arithmetic number, because the mean of its divisors is an integer number (137729592).

Almost surely, 2^19748124000 is an apocalyptic number.

19748124000 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 19748124000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39666122496).

19748124000 is an abundant number, since it is smaller than the sum of its proper divisors (59584120992).

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

19748124000 is a wasteful number, since it uses less digits than its factorization.

19748124000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 19748124000 in words is "nineteen billion, seven hundred forty-eight million, one hundred twenty-four thousand".