1481558380 has 48 divisors (see below), whose sum is σ = 3248773920. Its totient is φ = 566816768.

The previous prime is 1481558359. The next prime is 1481558399. The reversal of 1481558380 is 838551841.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50124 + ... + 73996.

It is an arithmetic number, because the mean of its divisors is an integer number (67682790).

Almost surely, 2^1481558380 is an apocalyptic number.

1481558380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481558380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624386960).

1481558380 is an abundant number, since it is smaller than the sum of its proper divisors (1767215540).

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

1481558380 is a wasteful number, since it uses less digits than its factorization.

1481558380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24018 (or 24016 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 1481558380 is about 38491.0168740708. The cubic root of 1481558380 is about 1140.0036883024.

The spelling of 1481558380 in words is "one billion, four hundred eighty-one million, five hundred fifty-eight thousand, three hundred eighty".