265042455 has 64 divisors (see below), whose sum is σ = 466560000. Its totient is φ = 128049152.

The previous prime is 265042451. The next prime is 265042469. The reversal of 265042455 is 554240562.

It is not a de Polignac number, because 265042455 - 2² = 265042451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265042451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 590071 + ... + 590519.

It is an arithmetic number, because the mean of its divisors is an integer number (7290000).

Almost surely, 2^265042455 is an apocalyptic number.

265042455 is a deficient number, since it is larger than the sum of its proper divisors (201517545).

265042455 is a wasteful number, since it uses less digits than its factorization.

265042455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 265042455 is about 16280.1245388357. The cubic root of 265042455 is about 642.3501283058.

The spelling of 265042455 in words is "two hundred sixty-five million, forty-two thousand, four hundred fifty-five".