264504134635260 has 192 divisors, whose sum is σ = 800191705541760. Its totient is φ = 64895680512000.

The previous prime is 264504134635253. The next prime is 264504134635283. The reversal of 264504134635260 is 62536431405462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3906450286 + ... + 3906517994.

It is an arithmetic number, because the mean of its divisors is an integer number (4167665133030).

Almost surely, 2^{264504134635260} is an apocalyptic number.

264504134635260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264504134635260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400095852770880).

264504134635260 is an abundant number, since it is smaller than the sum of its proper divisors (535687570906500).

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

264504134635260 is a wasteful number, since it uses less digits than its factorization.

264504134635260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84048 (or 84046 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 264504134635260 in words is "two hundred sixty-four trillion, five hundred four billion, one hundred thirty-four million, six hundred thirty-five thousand, two hundred sixty".