1081338480 has 60 divisors (see below), whose sum is σ = 3631497480. Its totient is φ = 288356736.

The previous prime is 1081338451. The next prime is 1081338523. The reversal of 1081338480 is 848331801.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750210 + ... + 751649.

It is an arithmetic number, because the mean of its divisors is an integer number (60524958).

Almost surely, 2^1081338480 is an apocalyptic number.

1081338480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081338480 is an abundant number, since it is smaller than the sum of its proper divisors (2550159000).

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

1081338480 is a wasteful number, since it uses less digits than its factorization.

1081338480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501878 (or 1501869 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1081338480 is about 32883.7114693582. The cubic root of 1081338480 is about 1026.4092390690.

The spelling of 1081338480 in words is "one billion, eighty-one million, three hundred thirty-eight thousand, four hundred eighty".