265190742700 has 144 divisors (see below), whose sum is σ = 629232601536. Its totient is φ = 96419635200.

The previous prime is 265190742631. The next prime is 265190742721. The reversal of 265190742700 is 7247091562.

It is a super-2 number, since 2×265190742700² (a number of 24 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 70508820 + ... + 70512580.

It is an arithmetic number, because the mean of its divisors is an integer number (4369670844).

Almost surely, 2^265190742700 is an apocalyptic number.

265190742700 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 265190742700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314616300768).

265190742700 is an abundant number, since it is smaller than the sum of its proper divisors (364041858836).

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

265190742700 is a wasteful number, since it uses less digits than its factorization.

265190742700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604 (or 4597 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 265190742700 in words is "two hundred sixty-five billion, one hundred ninety million, seven hundred forty-two thousand, seven hundred".