265149001464 has 128 divisors (see below), whose sum is σ = 702149817600. Its totient is φ = 83294668800.

The previous prime is 265149001459. The next prime is 265149001477. The reversal of 265149001464 is 464100941562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83826747 + ... + 83829909.

It is an arithmetic number, because the mean of its divisors is an integer number (5485545450).

Almost surely, 2^265149001464 is an apocalyptic number.

265149001464 is a gapful number since it is divisible by the number (24) 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 265149001464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351074908800).

265149001464 is an abundant number, since it is smaller than the sum of its proper divisors (437000816136).

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

265149001464 is a wasteful number, since it uses less digits than its factorization.

265149001464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045 (or 6041 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 265149001464 in words is "two hundred sixty-five billion, one hundred forty-nine million, one thousand, four hundred sixty-four".