1148332644240 has 160 divisors (see below), whose sum is σ = 3575410301952. Its totient is φ = 304883712000.

The previous prime is 1148332644167. The next prime is 1148332644253. The reversal of 1148332644240 is 424462338411.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1148332644192 and 1148332644201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91779585 + ... + 91792095.

Almost surely, 2^{1148332644240} is an apocalyptic number.

1148332644240 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 1148332644240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787705150976).

1148332644240 is an abundant number, since it is smaller than the sum of its proper divisors (2427077657712).

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

1148332644240 is a wasteful number, since it uses less digits than its factorization.

1148332644240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14169 (or 14163 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 1148332644240 in words is "one trillion, one hundred forty-eight billion, three hundred thirty-two million, six hundred forty-four thousand, two hundred forty".