1154323422320 has 40 divisors (see below), whose sum is σ = 2696521436880. Its totient is φ = 459541071360.

The previous prime is 1154323422319. The next prime is 1154323422349. The reversal of 1154323422320 is 232243234511.

It is a tau number, because it is divible by the number of its divisors (40).

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, 34175165 + ... + 34208924.

It is an arithmetic number, because the mean of its divisors is an integer number (67413035922).

Almost surely, 2^{1154323422320} is an apocalyptic number.

1154323422320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154323422320 is an abundant number, since it is smaller than the sum of its proper divisors (1542198014560).

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

1154323422320 is a wasteful number, since it uses less digits than its factorization.

1154323422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68384313 (or 68384307 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1154323422320 its reverse (232243234511), we get a palindrome (1386566656831).

The spelling of 1154323422320 in words is "one trillion, one hundred fifty-four billion, three hundred twenty-three million, four hundred twenty-two thousand, three hundred twenty".