234354564450 has 144 divisors (see below), whose sum is σ = 646139894400. Its totient is φ = 60864531840.

The previous prime is 234354564413. The next prime is 234354564473. The reversal of 234354564450 is 54465453432.

234354564450 is a `hidden beast` number, since 2 + 3 + 4 + 3 + 545 + 64 + 45 + 0 = 666.

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 = 234354564396 and 234354564405.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6735799 + ... + 6770501.

It is an arithmetic number, because the mean of its divisors is an integer number (4487082600).

Almost surely, 2^234354564450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234354564450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323069947200).

234354564450 is an abundant number, since it is smaller than the sum of its proper divisors (411785329950).

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

234354564450 is a wasteful number, since it uses less digits than its factorization.

234354564450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35113 (or 35105 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

The spelling of 234354564450 in words is "two hundred thirty-four billion, three hundred fifty-four million, five hundred sixty-four thousand, four hundred fifty".