1153100040 has 64 divisors (see below), whose sum is σ = 3539764800. Its totient is φ = 300340992.

The previous prime is 1153100027. The next prime is 1153100041. The reversal of 1153100040 is 400013511.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1153099992 and 1153100019.

It is not an unprimeable number, because it can be changed into a prime (1153100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106575 + ... + 116894.

It is an arithmetic number, because the mean of its divisors is an integer number (55308825).

Almost surely, 2^1153100040 is an apocalyptic number.

1153100040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153100040 is an abundant number, since it is smaller than the sum of its proper divisors (2386664760).

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

1153100040 is a wasteful number, since it uses less digits than its factorization.

1153100040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223526 (or 223522 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1153100040 is about 33957.3267499077. The cubic root of 1153100040 is about 1048.6301228711.

Adding to 1153100040 its reverse (400013511), we get a palindrome (1553113551).

The spelling of 1153100040 in words is "one billion, one hundred fifty-three million, one hundred thousand, forty".