1099386480 has 160 divisors (see below), whose sum is σ = 3553486848. Its totient is φ = 280857600.

The previous prime is 1099386419. The next prime is 1099386487. The reversal of 1099386480 is 846839901.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099386487) 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 31 ways as a sum of consecutive naturals, for example, 795390 + ... + 796770.

Almost surely, 2^1099386480 is an apocalyptic number.

1099386480 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 1099386480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776743424).

1099386480 is an abundant number, since it is smaller than the sum of its proper divisors (2454100368).

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

1099386480 is a wasteful number, since it uses less digits than its factorization.

1099386480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 1099386480 is about 33156.9974515184. The cubic root of 1099386480 is about 1032.0881632510.

The spelling of 1099386480 in words is "one billion, ninety-nine million, three hundred eighty-six thousand, four hundred eighty".