1154224203440 has 160 divisors (see below), whose sum is σ = 3427355635200. Its totient is φ = 350983526400.

The previous prime is 1154224203337. The next prime is 1154224203449. The reversal of 1154224203440 is 443024224511.

It is a junction number, because it is equal to n+sod(n) for n = 1154224203397 and 1154224203406.

It is not an unprimeable number, because it can be changed into a prime (1154224203449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2032490 + ... + 2537609.

It is an arithmetic number, because the mean of its divisors is an integer number (21420972720).

Almost surely, 2^{1154224203440} is an apocalyptic number.

1154224203440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154224203440 is an abundant number, since it is smaller than the sum of its proper divisors (2273131431760).

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

1154224203440 is a wasteful number, since it uses less digits than its factorization.

1154224203440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570171 (or 4570165 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1154224203440 its reverse (443024224511), we get a palindrome (1597248427951).

The spelling of 1154224203440 in words is "one trillion, one hundred fifty-four billion, two hundred twenty-four million, two hundred three thousand, four hundred forty".