265632740 has 12 divisors (see below), whose sum is σ = 557828796. Its totient is φ = 106253088.

The previous prime is 265632739. The next prime is 265632781. The reversal of 265632740 is 47236562.

It can be written as a sum of positive squares in 2 ways, for example, as 64673764 + 200958976 = 8042^2 + 14176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 265632740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6640799 + ... + 6640838.

It is an arithmetic number, because the mean of its divisors is an integer number (46485733).

Almost surely, 2^265632740 is an apocalyptic number.

265632740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265632740 is an abundant number, since it is smaller than the sum of its proper divisors (292196056).

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

265632740 is a wasteful number, since it uses less digits than its factorization.

265632740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281646 (or 13281644 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 265632740 is about 16298.2434636374. The cubic root of 265632740 is about 642.8266412806.

The spelling of 265632740 in words is "two hundred sixty-five million, six hundred thirty-two thousand, seven hundred forty".