265132396368 has 480 divisors, whose sum is σ = 897692544000. Its totient is φ = 74698848000.

The previous prime is 265132396363. The next prime is 265132396379. The reversal of 265132396368 is 863693231562.

265132396368 is a `hidden beast` number, since 2 + 6 + 513 + 2 + 3 + 9 + 63 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265132396363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 738530173 + ... + 738530531.

It is an arithmetic number, because the mean of its divisors is an integer number (1870192800).

Almost surely, 2^265132396368 is an apocalyptic number.

265132396368 is a gapful number since it is divisible by the number (28) 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 265132396368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448846272000).

265132396368 is an abundant number, since it is smaller than the sum of its proper divisors (632560147632).

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

265132396368 is a wasteful number, since it uses less digits than its factorization.

265132396368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 761 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 54.

The spelling of 265132396368 in words is "two hundred sixty-five billion, one hundred thirty-two million, three hundred ninety-six thousand, three hundred sixty-eight".