19142424 has 96 divisors (see below), whose sum is σ = 62400000. Its totient is φ = 5178816.

The previous prime is 19142413. The next prime is 19142437. The reversal of 19142424 is 42424191.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8577 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (650000).

Almost surely, 2^19142424 is an apocalyptic number.

19142424 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 19142424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31200000).

19142424 is an abundant number, since it is smaller than the sum of its proper divisors (43257576).

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

19142424 is a wasteful number, since it uses less digits than its factorization.

19142424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037 (or 2030 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 19142424 is about 4375.2055951692. The cubic root of 19142424 is about 267.5052504283.

The spelling of 19142424 in words is "nineteen million, one hundred forty-two thousand, four hundred twenty-four".