1979324620 has 432 divisors, whose sum is σ = 5993235360. Its totient is φ = 543449088.

The previous prime is 1979324609. The next prime is 1979324647. The reversal of 1979324620 is 264239791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 53495242 + ... + 53495278.

It is an arithmetic number, because the mean of its divisors is an integer number (13873230).

Almost surely, 2^1979324620 is an apocalyptic number.

1979324620 is a gapful number since it is divisible by the number (10) 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 1979324620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996617680).

1979324620 is an abundant number, since it is smaller than the sum of its proper divisors (4013910740).

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

1979324620 is a wasteful number, since it uses less digits than its factorization.

1979324620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1979324620 is about 44489.6012569229. The cubic root of 1979324620 is about 1255.5644450718.

The spelling of 1979324620 in words is "one billion, nine hundred seventy-nine million, three hundred twenty-four thousand, six hundred twenty".