265546480 has 40 divisors (see below), whose sum is σ = 618433632. Its totient is φ = 106040064.

The previous prime is 265546471. The next prime is 265546493. The reversal of 265546480 is 84645562.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 51709 + ... + 56611.

Almost surely, 2^265546480 is an apocalyptic number.

265546480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265546480 is an abundant number, since it is smaller than the sum of its proper divisors (352887152).

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

265546480 is a wasteful number, since it uses less digits than its factorization.

265546480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 265546480 is about 16295.5969513240. The cubic root of 265546480 is about 642.7570511774.

The spelling of 265546480 in words is "two hundred sixty-five million, five hundred forty-six thousand, four hundred eighty".