265445465796 has 567 divisors, whose sum is σ = 857319637629. Its totient is φ = 71668328256.

The previous prime is 265445465783. The next prime is 265445465801. The reversal of 265445465796 is 697564544562.

It is a happy number.

The square root of 265445465796 is 515214.

It is a perfect power (a square), and thus also a powerful number.

265445465796 is a `hidden beast` number, since 2 + 6 + 5 + 4 + 4 + 54 + 6 + 579 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 139193163396 + 126252302400 = 373086^2 + 355320^2 .

It is a tau number, because it is divible by the number of its divisors (567).

It is a super-2 number, since 2×265445465796² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 5647775845 + ... + 5647775891.

Almost surely, 2^265445465796 is an apocalyptic number.

265445465796 is the 515214-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265445465796

265445465796 is an abundant number, since it is smaller than the sum of its proper divisors (591874171833).

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

265445465796 is an equidigital number, since it uses as much as digits as its factorization.

265445465796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 88 counting only the distinct ones).

The product of its digits is 217728000, while the sum is 63.

The spelling of 265445465796 in words is "two hundred sixty-five billion, four hundred forty-five million, four hundred sixty-five thousand, seven hundred ninety-six".