19608040 has 16 divisors (see below), whose sum is σ = 44118180. Its totient is φ = 7843200.

The previous prime is 19608013. The next prime is 19608041. The reversal of 19608040 is 4080691.

It can be written as a sum of positive squares in 2 ways, for example, as 18267076 + 1340964 = 4274^2 + 1158^2 .

It is not an unprimeable number, because it can be changed into a prime (19608041) 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, 245061 + ... + 245140.

Almost surely, 2^19608040 is an apocalyptic number.

19608040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19608040 is an abundant number, since it is smaller than the sum of its proper divisors (24510140).

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

19608040 is a wasteful number, since it uses less digits than its factorization.

19608040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490212 (or 490208 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 19608040 is about 4428.0966565783. The cubic root of 19608040 is about 269.6568113391.

It can be divided in two parts, 1960 and 8040, that added together give a 4-th power (10000 = 10⁴).

The spelling of 19608040 in words is "nineteen million, six hundred eight thousand, forty".