1534848820 has 24 divisors (see below), whose sum is σ = 3226242600. Its totient is φ = 613356672.

The previous prime is 1534848803. The next prime is 1534848853. The reversal of 1534848820 is 288484351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97377424 + 1437471396 = 9868^2 + 37914^2 .

It is a congruent number.

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, 14515 + ... + 57274.

It is an arithmetic number, because the mean of its divisors is an integer number (134426775).

Almost surely, 2^1534848820 is an apocalyptic number.

1534848820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534848820 is an abundant number, since it is smaller than the sum of its proper divisors (1691393780).

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

1534848820 is a wasteful number, since it uses less digits than its factorization.

1534848820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72867 (or 72865 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 1534848820 is about 39177.1466546506. The cubic root of 1534848820 is about 1153.5113396123.

The spelling of 1534848820 in words is "one billion, five hundred thirty-four million, eight hundred forty-eight thousand, eight hundred twenty".