19532140 has 12 divisors (see below), whose sum is σ = 41017536. Its totient is φ = 7812848.

The previous prime is 19532137. The next prime is 19532147. The reversal of 19532140 is 4123591.

It is not an unprimeable number, because it can be changed into a prime (19532147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488284 + ... + 488323.

It is an arithmetic number, because the mean of its divisors is an integer number (3418128).

Almost surely, 2^19532140 is an apocalyptic number.

19532140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19532140 is an abundant number, since it is smaller than the sum of its proper divisors (21485396).

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

19532140 is a wasteful number, since it uses less digits than its factorization.

19532140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976616 (or 976614 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 19532140 is about 4419.5180732745. The cubic root of 19532140 is about 269.3084267452.

The spelling of 19532140 in words is "nineteen million, five hundred thirty-two thousand, one hundred forty".