265640531536046 has 8 divisors (see below), whose sum is σ = 403504604865120. Its totient is φ = 131138996581008.

The previous prime is 265640531535961. The next prime is 265640531536067. The reversal of 265640531536046 is 640635135046562.

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

It is a junction number, because it is equal to n+sod(n) for n = 265640531535982 and 265640531536000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840634593311 + ... + 840634593626.

It is an arithmetic number, because the mean of its divisors is an integer number (50438075608140).

Almost surely, 2^{265640531536046} is an apocalyptic number.

265640531536046 is a deficient number, since it is larger than the sum of its proper divisors (137864073329074).

265640531536046 is a wasteful number, since it uses less digits than its factorization.

265640531536046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681269187018.

The product of its (nonzero) digits is 46656000, while the sum is 56.

The spelling of 265640531536046 in words is "two hundred sixty-five trillion, six hundred forty billion, five hundred thirty-one million, five hundred thirty-six thousand, forty-six".