1481809452 has 24 divisors (see below), whose sum is σ = 3458788032. Its totient is φ = 493760400.

The previous prime is 1481809447. The next prime is 1481809501. The reversal of 1481809452 is 2549081841.

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, 15627 + ... + 56637.

It is an arithmetic number, because the mean of its divisors is an integer number (144116168).

Almost surely, 2^1481809452 is an apocalyptic number.

1481809452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1481809452 is an abundant number, since it is smaller than the sum of its proper divisors (1976978580).

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

1481809452 is a wasteful number, since it uses less digits than its factorization.

With its successor (1481809453) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (44027).

1481809452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44029 (or 44027 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 1481809452 is about 38494.2781722167. The cubic root of 1481809452 is about 1140.0680814988.

The spelling of 1481809452 in words is "one billion, four hundred eighty-one million, eight hundred nine thousand, four hundred fifty-two".