9148233259440 has 480 divisors, whose sum is σ = 34195239936000. Its totient is φ = 2173072435200.

The previous prime is 9148233259423. The next prime is 9148233259469. The reversal of 9148233259440 is 449523328419.

It is a happy number.

9148233259440 is a `hidden beast` number, since 9 + 1 + 4 + 8 + 2 + 3 + 3 + 2 + 594 + 40 = 666.

It is a super-2 number, since 2×9148233259440² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127024561 + ... + 127096559.

It is an arithmetic number, because the mean of its divisors is an integer number (71240083200).

Almost surely, 2^{9148233259440} is an apocalyptic number.

9148233259440 is a gapful number since it is divisible by the number (90) 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 9148233259440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17097619968000).

9148233259440 is an abundant number, since it is smaller than the sum of its proper divisors (25047006676560).

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

9148233259440 is a wasteful number, since it uses less digits than its factorization.

9148233259440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72353 (or 72344 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 9148233259440 in words is "nine trillion, one hundred forty-eight billion, two hundred thirty-three million, two hundred fifty-nine thousand, four hundred forty".