1481720408 has 48 divisors (see below), whose sum is σ = 3421935720. Its totient is φ = 597666048.

The previous prime is 1481720381. The next prime is 1481720411. The reversal of 1481720408 is 8040271841.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104510 + ... + 117837.

Almost surely, 2^1481720408 is an apocalyptic number.

It is an amenable number.

1481720408 is an abundant number, since it is smaller than the sum of its proper divisors (1940215312).

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

1481720408 is a wasteful number, since it uses less digits than its factorization.

1481720408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222384 (or 222373 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 1481720408 is about 38493.1215673658. The cubic root of 1481720408 is about 1140.0452449469.

The spelling of 1481720408 in words is "one billion, four hundred eighty-one million, seven hundred twenty thousand, four hundred eight".