1556242532 has 24 divisors (see below), whose sum is σ = 3027532032. Its totient is φ = 695095200.

The previous prime is 1556242529. The next prime is 1556242601. The reversal of 1556242532 is 2352426551.

It is a junction number, because it is equal to n+sod(n) for n = 1556242492 and 1556242501.

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, 481094 + ... + 484317.

It is an arithmetic number, because the mean of its divisors is an integer number (126147168).

Almost surely, 2^1556242532 is an apocalyptic number.

It is an amenable number.

1556242532 is a deficient number, since it is larger than the sum of its proper divisors (1471289500).

1556242532 is a wasteful number, since it uses less digits than its factorization.

1556242532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965459 (or 965457 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 1556242532 is about 39449.2399419811. The cubic root of 1556242532 is about 1158.8460909372.

The spelling of 1556242532 in words is "one billion, five hundred fifty-six million, two hundred forty-two thousand, five hundred thirty-two".