133044312450 has 288 divisors, whose sum is σ = 390296769408. Its totient is φ = 29901312000.

The previous prime is 133044312437. The next prime is 133044312461. The reversal of 133044312450 is 54213440331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 129043435 + ... + 129044465.

It is an arithmetic number, because the mean of its divisors is an integer number (1355197116).

Almost surely, 2^133044312450 is an apocalyptic number.

133044312450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133044312450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195148384704).

133044312450 is an abundant number, since it is smaller than the sum of its proper divisors (257252456958).

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

133044312450 is a wasteful number, since it uses less digits than its factorization.

133044312450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 133044312450 its reverse (54213440331), we get a palindrome (187257752781).

The spelling of 133044312450 in words is "one hundred thirty-three billion, forty-four million, three hundred twelve thousand, four hundred fifty".