236728407244481 has 8 divisors (see below), whose sum is σ = 241765459461504. Its totient is φ = 231691366594000.

The previous prime is 236728407244463. The next prime is 236728407244541. The reversal of 236728407244481 is 184442704827632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 236728407244481 - 2¹⁰ = 236728407243457 is a prime.

It is a super-2 number, since 2×236728407244481² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236728407244781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47850311 + ... + 52565283.

It is an arithmetic number, because the mean of its divisors is an integer number (30220682432688).

Almost surely, 2^{236728407244481} is an apocalyptic number.

It is an amenable number.

236728407244481 is a deficient number, since it is larger than the sum of its proper divisors (5037052217023).

236728407244481 is a wasteful number, since it uses less digits than its factorization.

236728407244481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783271.

The product of its (nonzero) digits is 115605504, while the sum is 62.

The spelling of 236728407244481 in words is "two hundred thirty-six trillion, seven hundred twenty-eight billion, four hundred seven million, two hundred forty-four thousand, four hundred eighty-one".