1183238480 has 20 divisors (see below), whose sum is σ = 2751029652. Its totient is φ = 473295360.

The previous prime is 1183238477. The next prime is 1183238549. The reversal of 1183238480 is 848323811.

It can be written as a sum of positive squares in 2 ways, for example, as 413064976 + 770173504 = 20324^2 + 27752^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7395161 + ... + 7395320.

Almost surely, 2^1183238480 is an apocalyptic number.

1183238480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1183238480 is an abundant number, since it is smaller than the sum of its proper divisors (1567791172).

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

1183238480 is a wasteful number, since it uses less digits than its factorization.

1183238480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14790494 (or 14790488 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 1183238480 is about 34398.2336755828. The cubic root of 1183238480 is about 1057.6876376057.

The spelling of 1183238480 in words is "one billion, one hundred eighty-three million, two hundred thirty-eight thousand, four hundred eighty".