19158849024 has 160 divisors (see below), whose sum is σ = 59155785216. Its totient is φ = 5396643840.

The previous prime is 19158849011. The next prime is 19158849053. The reversal of 19158849024 is 42094885191.

It is a super-2 number, since 2×19158849024² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750844 + ... + 775940.

Almost surely, 2^19158849024 is an apocalyptic number.

19158849024 is a gapful number since it is divisible by the number (14) 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 19158849024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29577892608).

19158849024 is an abundant number, since it is smaller than the sum of its proper divisors (39996936192).

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

19158849024 is an equidigital number, since it uses as much as digits as its factorization.

19158849024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25196 (or 25180 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 19158849024 in words is "nineteen billion, one hundred fifty-eight million, eight hundred forty-nine thousand, twenty-four".