1001118480 has 40 divisors (see below), whose sum is σ = 3103468032. Its totient is φ = 266964864.

The previous prime is 1001118479. The next prime is 1001118511. The reversal of 1001118480 is 848111001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1001118480.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085424 + ... + 2085903.

Almost surely, 2^1001118480 is an apocalyptic number.

1001118480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001118480 is an abundant number, since it is smaller than the sum of its proper divisors (2102349552).

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

1001118480 is a wasteful number, since it uses less digits than its factorization.

1001118480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171343 (or 4171337 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 1001118480 is about 31640.4563810322. The cubic root of 1001118480 is about 1000.3726877533.

Adding to 1001118480 its reverse (848111001), we get a palindrome (1849229481).

The spelling of 1001118480 in words is "one billion, one million, one hundred eighteen thousand, four hundred eighty".