240636546201461 has 4 divisors (see below), whose sum is σ = 242972823349152. Its totient is φ = 238300269053772.

The previous prime is 240636546201421. The next prime is 240636546201463. The reversal of 240636546201461 is 164102645636042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240636546201461 - 2⁶ = 240636546201397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240636546201463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168138573691 + ... + 1168138573896.

It is an arithmetic number, because the mean of its divisors is an integer number (60743205837288).

Almost surely, 2^{240636546201461} is an apocalyptic number.

It is an amenable number.

240636546201461 is a deficient number, since it is larger than the sum of its proper divisors (2336277147691).

240636546201461 is a wasteful number, since it uses less digits than its factorization.

240636546201461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336277147690.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 240636546201461 in words is "two hundred forty trillion, six hundred thirty-six billion, five hundred forty-six million, two hundred one thousand, four hundred sixty-one".