1879479420 has 144 divisors (see below), whose sum is σ = 6512808960. Its totient is φ = 396534528.

The previous prime is 1879479383. The next prime is 1879479443. The reversal of 1879479420 is 249749781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57741 + ... + 84219.

It is an arithmetic number, because the mean of its divisors is an integer number (45227840).

Almost surely, 2^1879479420 is an apocalyptic number.

1879479420 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 1879479420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3256404480).

1879479420 is an abundant number, since it is smaller than the sum of its proper divisors (4633329540).

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

1879479420 is a wasteful number, since it uses less digits than its factorization.

1879479420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26524 (or 26509 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 1879479420 is about 43352.9632205228. The cubic root of 1879479420 is about 1234.0872295213.

The spelling of 1879479420 in words is "one billion, eight hundred seventy-nine million, four hundred seventy-nine thousand, four hundred twenty".