1481511384 has 80 divisors (see below), whose sum is σ = 4250889720. Its totient is φ = 481783680.

The previous prime is 1481511373. The next prime is 1481511389. The reversal of 1481511384 is 4831151841.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481511389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1314 + ... + 54449.

Almost surely, 2^1481511384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481511384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2125444860).

1481511384 is an abundant number, since it is smaller than the sum of its proper divisors (2769378336).

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

1481511384 is a wasteful number, since it uses less digits than its factorization.

1481511384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55822 (or 55809 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 1481511384 is about 38490.4063891251. The cubic root of 1481511384 is about 1139.9916342876.

The spelling of 1481511384 in words is "one billion, four hundred eighty-one million, five hundred eleven thousand, three hundred eighty-four".