265420806 has 32 divisors (see below), whose sum is σ = 607239168. Its totient is φ = 75764160.

The previous prime is 265420801. The next prime is 265420843. The reversal of 265420806 is 608024562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265420801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57546 + ... + 61986.

It is an arithmetic number, because the mean of its divisors is an integer number (18976224).

Almost surely, 2^265420806 is an apocalyptic number.

265420806 is an abundant number, since it is smaller than the sum of its proper divisors (341818362).

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

265420806 is a wasteful number, since it uses less digits than its factorization.

265420806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 265420806 is about 16291.7404226804. The cubic root of 265420806 is about 642.6556369214.

The spelling of 265420806 in words is "two hundred sixty-five million, four hundred twenty thousand, eight hundred six".