265070440 has 32 divisors (see below), whose sum is σ = 616977000. Its totient is φ = 102371584.

The previous prime is 265070431. The next prime is 265070461. The reversal of 265070440 is 44070562.

It can be written as a sum of positive squares in 4 ways, for example, as 263802564 + 1267876 = 16242^2 + 1126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 265070399 and 265070408.

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, 113095 + ... + 115414.

Almost surely, 2^265070440 is an apocalyptic number.

265070440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265070440 is an abundant number, since it is smaller than the sum of its proper divisors (351906560).

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

265070440 is a wasteful number, since it uses less digits than its factorization.

265070440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228549 (or 228545 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 265070440 is about 16280.9839997465. The cubic root of 265070440 is about 642.3727354207.

The spelling of 265070440 in words is "two hundred sixty-five million, seventy thousand, four hundred forty".