265520742 has 16 divisors (see below), whose sum is σ = 533323440. Its totient is φ = 88126592.

The previous prime is 265520741. The next prime is 265520747. The reversal of 265520742 is 247025562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265520741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93567 + ... + 96362.

It is an arithmetic number, because the mean of its divisors is an integer number (33332715).

Almost surely, 2^265520742 is an apocalyptic number.

265520742 is an abundant number, since it is smaller than the sum of its proper divisors (267802698).

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

265520742 is a wasteful number, since it uses less digits than its factorization.

265520742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190167.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 265520742 is about 16294.8072096604. The cubic root of 265520742 is about 642.7362841721.

The spelling of 265520742 in words is "two hundred sixty-five million, five hundred twenty thousand, seven hundred forty-two".