265949460 has 432 divisors, whose sum is σ = 1059105600. Its totient is φ = 55085184.

The previous prime is 265949449. The next prime is 265949491. The reversal of 265949460 is 64949562.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11563009 + ... + 11563031.

Almost surely, 2^265949460 is an apocalyptic number.

265949460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265949460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529552800).

265949460 is an abundant number, since it is smaller than the sum of its proper divisors (793156140).

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

265949460 is a wasteful number, since it uses less digits than its factorization.

265949460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 265949460 is about 16307.9569535856. The cubic root of 265949460 is about 643.0820254500.

The spelling of 265949460 in words is "two hundred sixty-five million, nine hundred forty-nine thousand, four hundred sixty".