1178040288 has 48 divisors (see below), whose sum is σ = 3099841920. Its totient is φ = 391729536.

The previous prime is 1178040287. The next prime is 1178040293. The reversal of 1178040288 is 8820408711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1178040288² = 2775557840302245888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178040287) by changing a digit.

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, 25581 + ... + 54867.

It is an arithmetic number, because the mean of its divisors is an integer number (64580040).

Almost surely, 2^1178040288 is an apocalyptic number.

It is an amenable number.

1178040288 is an abundant number, since it is smaller than the sum of its proper divisors (1921801632).

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

1178040288 is a wasteful number, since it uses less digits than its factorization.

1178040288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29719 (or 29711 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1178040288 is about 34322.5915105489. The cubic root of 1178040288 is about 1056.1364894744.

Adding to 1178040288 its reverse (8820408711), we get a palindrome (9998448999).

The spelling of 1178040288 in words is "one billion, one hundred seventy-eight million, forty thousand, two hundred eighty-eight".