1559980140 has 96 divisors (see below), whose sum is σ = 4523710464. Its totient is φ = 401249280.

The previous prime is 1559980133. The next prime is 1559980153. The reversal of 1559980140 is 410899551.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1559980092 and 1559980101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644212 + ... + 646628.

It is an arithmetic number, because the mean of its divisors is an integer number (47121984).

Almost surely, 2^1559980140 is an apocalyptic number.

1559980140 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 1559980140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2261855232).

1559980140 is an abundant number, since it is smaller than the sum of its proper divisors (2963730324).

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

1559980140 is a wasteful number, since it uses less digits than its factorization.

1559980140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 1559980140 is about 39496.5839029149. The cubic root of 1559980140 is about 1159.7730778869.

The spelling of 1559980140 in words is "one billion, five hundred fifty-nine million, nine hundred eighty thousand, one hundred forty".