2043979560 has 384 divisors, whose sum is σ = 7912719360. Its totient is φ = 447897600.

The previous prime is 2043979559. The next prime is 2043979631. The reversal of 2043979560 is 659793402.

It is a happy number.

2043979560 is a `hidden beast` number, since 204 + 397 + 9 + 56 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7542225 + ... + 7542495.

It is an arithmetic number, because the mean of its divisors is an integer number (20606040).

Almost surely, 2^2043979560 is an apocalyptic number.

2043979560 is a gapful number since it is divisible by the number (20) 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 2043979560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3956359680).

2043979560 is an abundant number, since it is smaller than the sum of its proper divisors (5868739800).

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

2043979560 is a wasteful number, since it uses less digits than its factorization.

2043979560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 2043979560 is about 45210.3921681730. The cubic root of 2043979560 is about 1269.0893010200.

It can be divided in two parts, 20439 and 79560, that added together give a palindrome (99999).

The spelling of 2043979560 in words is "two billion, forty-three million, nine hundred seventy-nine thousand, five hundred sixty".