1968761424 has 40 divisors (see below), whose sum is σ = 5812534720. Its totient is φ = 562503168.

The previous prime is 1968761419. The next prime is 1968761441. The reversal of 1968761424 is 4241678691.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 2929369 + ... + 2930040.

It is an arithmetic number, because the mean of its divisors is an integer number (145313368).

Almost surely, 2^1968761424 is an apocalyptic number.

1968761424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1968761424 is an abundant number, since it is smaller than the sum of its proper divisors (3843773296).

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

1968761424 is a wasteful number, since it uses less digits than its factorization.

1968761424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859427 (or 5859421 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 1968761424 is about 44370.7271069565. The cubic root of 1968761424 is about 1253.3269079445.

The spelling of 1968761424 in words is "one billion, nine hundred sixty-eight million, seven hundred sixty-one thousand, four hundred twenty-four".