265131880466 has 8 divisors (see below), whose sum is σ = 398130574080. Its totient is φ = 132421689108.

The previous prime is 265131880459. The next prime is 265131880469. The reversal of 265131880466 is 664088131562.

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

It is not an unprimeable number, because it can be changed into a prime (265131880469) 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, 72123266 + ... + 72126941.

It is an arithmetic number, because the mean of its divisors is an integer number (49766321760).

Almost surely, 2^265131880466 is an apocalyptic number.

265131880466 is a deficient number, since it is larger than the sum of its proper divisors (132998693614).

265131880466 is a wasteful number, since it uses less digits than its factorization.

265131880466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144251128.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 265131880466 in words is "two hundred sixty-five billion, one hundred thirty-one million, eight hundred eighty thousand, four hundred sixty-six".