1481549620 has 12 divisors (see below), whose sum is σ = 3111254244. Its totient is φ = 592619840.

The previous prime is 1481549521. The next prime is 1481549633. The reversal of 1481549620 is 269451841.

It can be written as a sum of positive squares in 2 ways, for example, as 1006919824 + 474629796 = 31732^2 + 21786^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37038721 + ... + 37038760.

It is an arithmetic number, because the mean of its divisors is an integer number (259271187).

Almost surely, 2^1481549620 is an apocalyptic number.

1481549620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481549620 is an abundant number, since it is smaller than the sum of its proper divisors (1629704624).

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

1481549620 is a wasteful number, since it uses less digits than its factorization.

1481549620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74077490 (or 74077488 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1481549620 is about 38490.9030811178. The cubic root of 1481549620 is about 1140.0014414673.

The spelling of 1481549620 in words is "one billion, four hundred eighty-one million, five hundred forty-nine thousand, six hundred twenty".