265278048 has 48 divisors (see below), whose sum is σ = 795836160. Its totient is φ = 75793536.

The previous prime is 265278037. The next prime is 265278053. The reversal of 265278048 is 840872562.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196708 + ... + 198051.

It is an arithmetic number, because the mean of its divisors is an integer number (16579920).

Almost surely, 2^265278048 is an apocalyptic number.

265278048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

265278048 is an abundant number, since it is smaller than the sum of its proper divisors (530558112).

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

265278048 is a wasteful number, since it uses less digits than its factorization.

265278048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394779 (or 394771 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 265278048 is about 16287.3585335376. The cubic root of 265278048 is about 642.5403976678.

The spelling of 265278048 in words is "two hundred sixty-five million, two hundred seventy-eight thousand, forty-eight".