264551355506260 has 12 divisors (see below), whose sum is σ = 555557846563188. Its totient is φ = 105820542202496.

The previous prime is 264551355506237. The next prime is 264551355506267. The reversal of 264551355506260 is 62605553155462.

It can be written as a sum of positive squares in 2 ways, for example, as 188854986972304 + 75696368533956 = 13742452^2 + 8700366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264551355506267) 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, 6613783887637 + ... + 6613783887676.

It is an arithmetic number, because the mean of its divisors is an integer number (46296487213599).

Almost surely, 2^{264551355506260} is an apocalyptic number.

264551355506260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264551355506260 is an abundant number, since it is smaller than the sum of its proper divisors (291006491056928).

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

264551355506260 is a wasteful number, since it uses less digits than its factorization.

264551355506260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13227567775322 (or 13227567775320 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 55.

The spelling of 264551355506260 in words is "two hundred sixty-four trillion, five hundred fifty-one billion, three hundred fifty-five million, five hundred six thousand, two hundred sixty".