1968180424 has 32 divisors (see below), whose sum is σ = 4223877120. Its totient is φ = 842236416.

The previous prime is 1968180419. The next prime is 1968180451. The reversal of 1968180424 is 4240818691.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11577 + ... + 63799.

It is an arithmetic number, because the mean of its divisors is an integer number (131996160).

Almost surely, 2^1968180424 is an apocalyptic number.

1968180424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1968180424 is an abundant number, since it is smaller than the sum of its proper divisors (2255696696).

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

1968180424 is a wasteful number, since it uses less digits than its factorization.

1968180424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52909 (or 52905 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 1968180424 is about 44364.1795145588. The cubic root of 1968180424 is about 1253.2036062978.

The spelling of 1968180424 in words is "one billion, nine hundred sixty-eight million, one hundred eighty thousand, four hundred twenty-four".