1153331040 has 48 divisors (see below), whose sum is σ = 3632994288. Its totient is φ = 307554816.

The previous prime is 1153330987. The next prime is 1153331063. The reversal of 1153331040 is 401333511.

1153331040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1153330998 and 1153331016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200907 + ... + 1201866.

It is an arithmetic number, because the mean of its divisors is an integer number (75687381).

Almost surely, 2^1153331040 is an apocalyptic number.

1153331040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153331040 is an abundant number, since it is smaller than the sum of its proper divisors (2479663248).

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

1153331040 is a wasteful number, since it uses less digits than its factorization.

1153331040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402791 (or 2402783 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1153331040 is about 33960.7279073933. The cubic root of 1153331040 is about 1048.7001420589.

Adding to 1153331040 its reverse (401333511), we get a palindrome (1554664551).

The spelling of 1153331040 in words is "one billion, one hundred fifty-three million, three hundred thirty-one thousand, forty".