243261400410 has 192 divisors, whose sum is σ = 751774383360. Its totient is φ = 53418839040.

The previous prime is 243261400351. The next prime is 243261400427. The reversal of 243261400410 is 14004162342.

It is a happy number.

243261400410 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 614 + 0 + 0 + 41 + 0 = 666.

It is a super-2 number, since 2×243261400410² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1578886 + ... + 1726094.

It is an arithmetic number, because the mean of its divisors is an integer number (3915491580).

Almost surely, 2^243261400410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243261400410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375887191680).

243261400410 is an abundant number, since it is smaller than the sum of its proper divisors (508512982950).

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

243261400410 is a wasteful number, since it uses less digits than its factorization.

243261400410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147333 (or 147330 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 243261400410 its reverse (14004162342), we get a palindrome (257265562752).

The spelling of 243261400410 in words is "two hundred forty-three billion, two hundred sixty-one million, four hundred thousand, four hundred ten".