536865440 has 96 divisors (see below), whose sum is σ = 1386491904. Its totient is φ = 195563520.

The previous prime is 536865437. The next prime is 536865451. The reversal of 536865440 is 44568635.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81137 + ... + 87503.

It is an arithmetic number, because the mean of its divisors is an integer number (14442624).

Almost surely, 2^536865440 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 536865440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693245952).

536865440 is an abundant number, since it is smaller than the sum of its proper divisors (849626464).

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

536865440 is a wasteful number, since it uses less digits than its factorization.

536865440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430 (or 6422 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 536865440 is about 23170.3569243117. The cubic root of 536865440 is about 812.7465773111.

The spelling of 536865440 in words is "five hundred thirty-six million, eight hundred sixty-five thousand, four hundred forty".