1559099240 has 32 divisors (see below), whose sum is σ = 3714326280. Its totient is φ = 586954752.

The previous prime is 1559099239. The next prime is 1559099279. The reversal of 1559099240 is 429909551.

It can be written as a sum of positive squares in 4 ways, for example, as 1238617636 + 320481604 = 35194^2 + 17902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1559099191 and 1559099200.

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, 1145717 + ... + 1147076.

Almost surely, 2^1559099240 is an apocalyptic number.

1559099240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1559099240 is an abundant number, since it is smaller than the sum of its proper divisors (2155227040).

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

1559099240 is a wasteful number, since it uses less digits than its factorization.

1559099240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292821 (or 2292817 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 1559099240 is about 39485.4307308405. The cubic root of 1559099240 is about 1159.5547339816.

The spelling of 1559099240 in words is "one billion, five hundred fifty-nine million, ninety-nine thousand, two hundred forty".