265461640341 has 4 divisors (see below), whose sum is σ = 353948853792. Its totient is φ = 176974426892.

The previous prime is 265461640331. The next prime is 265461640363. The reversal of 265461640341 is 143046164562.

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 265461640341 - 2⁹ = 265461639829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265461640293 and 265461640302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265461640321) 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, 44243606721 + ... + 44243606726.

It is an arithmetic number, because the mean of its divisors is an integer number (88487213448).

Almost surely, 2^265461640341 is an apocalyptic number.

It is an amenable number.

265461640341 is a deficient number, since it is larger than the sum of its proper divisors (88487213451).

265461640341 is an equidigital number, since it uses as much as digits as its factorization.

265461640341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88487213450.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 265461640341 in words is "two hundred sixty-five billion, four hundred sixty-one million, six hundred forty thousand, three hundred forty-one".