264140041461 has 4 divisors (see below), whose sum is σ = 352186721952. Its totient is φ = 176093360972.

The previous prime is 264140041453. The next prime is 264140041463. The reversal of 264140041461 is 164140041462.

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 264140041461 - 2³ = 264140041453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264140041463) 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, 44023340241 + ... + 44023340246.

It is an arithmetic number, because the mean of its divisors is an integer number (88046680488).

Almost surely, 2^264140041461 is an apocalyptic number.

It is an amenable number.

264140041461 is a deficient number, since it is larger than the sum of its proper divisors (88046680491).

264140041461 is an equidigital number, since it uses as much as digits as its factorization.

264140041461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88046680490.

The product of its (nonzero) digits is 18432, while the sum is 33.

Subtracting from 264140041461 its reverse (164140041462), we obtain a palindrome (99999999999).

The spelling of 264140041461 in words is "two hundred sixty-four billion, one hundred forty million, forty-one thousand, four hundred sixty-one".