265938150496 has 48 divisors (see below), whose sum is σ = 541686942720. Its totient is φ = 128386419840.

The previous prime is 265938150437. The next prime is 265938150521. The reversal of 265938150496 is 694051839562.

It is a self number, because there is not a number n which added to its sum of digits gives 265938150496.

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, 130155 + ... + 740821.

It is an arithmetic number, because the mean of its divisors is an integer number (11285144640).

Almost surely, 2^265938150496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265938150496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270843471360).

265938150496 is an abundant number, since it is smaller than the sum of its proper divisors (275748792224).

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

265938150496 is a wasteful number, since it uses less digits than its factorization.

265938150496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611147 (or 611139 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 58.

The spelling of 265938150496 in words is "two hundred sixty-five billion, nine hundred thirty-eight million, one hundred fifty thousand, four hundred ninety-six".