264440611141660 has 12 divisors (see below), whose sum is σ = 555325283397528. Its totient is φ = 105776244456656.

The previous prime is 264440611141649. The next prime is 264440611141661. The reversal of 264440611141660 is 66141116044462.

It is a self number, because there is not a number n which added to its sum of digits gives 264440611141660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264440611141661) 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, 6611015278522 + ... + 6611015278561.

It is an arithmetic number, because the mean of its divisors is an integer number (46277106949794).

Almost surely, 2^{264440611141660} is an apocalyptic number.

264440611141660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264440611141660 is an abundant number, since it is smaller than the sum of its proper divisors (290884672255868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264440611141660 is a wasteful number, since it uses less digits than its factorization.

264440611141660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222030557092 (or 13222030557090 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 264440611141660 in words is "two hundred sixty-four trillion, four hundred forty billion, six hundred eleven million, one hundred forty-one thousand, six hundred sixty".