1180438272 has 360 divisors, whose sum is σ = 3947291040. Its totient is φ = 348364800.

The previous prime is 1180438247. The next prime is 1180438277. The reversal of 1180438272 is 2728340811.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180438277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7817397 + ... + 7817547.

Almost surely, 2^1180438272 is an apocalyptic number.

1180438272 is a gapful number since it is divisible by the number (12) 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 1180438272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973645520).

1180438272 is an abundant number, since it is smaller than the sum of its proper divisors (2766852768).

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

1180438272 is a wasteful number, since it uses less digits than its factorization.

1180438272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1180438272 is about 34357.5067779954. The cubic root of 1180438272 is about 1056.8526171945.

The spelling of 1180438272 in words is "one billion, one hundred eighty million, four hundred thirty-eight thousand, two hundred seventy-two".