1148324940 has 144 divisors (see below), whose sum is σ = 4109414400. Its totient is φ = 253998720.

The previous prime is 1148324929. The next prime is 1148324953. The reversal of 1148324940 is 494238411.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1148324895 and 1148324904.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 24361 + ... + 53759.

It is an arithmetic number, because the mean of its divisors is an integer number (28537600).

Almost surely, 2^1148324940 is an apocalyptic number.

1148324940 is a gapful number since it is divisible by the number (10) 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 1148324940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2054707200).

1148324940 is an abundant number, since it is smaller than the sum of its proper divisors (2961089460).

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

1148324940 is a wasteful number, since it uses less digits than its factorization.

1148324940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29452 (or 29447 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1148324940 is about 33886.9435033613. The cubic root of 1148324940 is about 1047.1806269047.

The spelling of 1148324940 in words is "one billion, one hundred forty-eight million, three hundred twenty-four thousand, nine hundred forty".