234433557450 has 144 divisors (see below), whose sum is σ = 657944763840. Its totient is φ = 62058856320.

The previous prime is 234433557409. The next prime is 234433557469. The reversal of 234433557450 is 54755334432.

It is a happy number.

234433557450 is a `hidden beast` number, since 2 + 3 + 4 + 43 + 3 + 557 + 4 + 50 = 666.

234433557450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 234433557396 and 234433557405.

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 71 ways as a sum of consecutive naturals, for example, 1594131 + ... + 1734969.

It is an arithmetic number, because the mean of its divisors is an integer number (4569060860).

Almost surely, 2^234433557450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234433557450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328972381920).

234433557450 is an abundant number, since it is smaller than the sum of its proper divisors (423511206390).

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

234433557450 is a wasteful number, since it uses less digits than its factorization.

234433557450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141003 (or 140986 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 45.

The spelling of 234433557450 in words is "two hundred thirty-four billion, four hundred thirty-three million, five hundred fifty-seven thousand, four hundred fifty".