534775644 has 72 divisors (see below), whose sum is σ = 1459137680. Its totient is φ = 164166912.

The previous prime is 534775627. The next prime is 534775651. The reversal of 534775644 is 446577435.

534775644 is a `hidden beast` number, since 534 + 7 + 75 + 6 + 44 = 666.

It is a super-2 number, since 2×534775644² = 571969978831229472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 534775644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254952 + ... + 257040.

Almost surely, 2^534775644 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 534775644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729568840).

534775644 is an abundant number, since it is smaller than the sum of its proper divisors (924362036).

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

534775644 is a wasteful number, since it uses less digits than its factorization.

534775644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2654 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 45.

The square root of 534775644 is about 23125.2166260124. The cubic root of 534775644 is about 811.6906434784.

The spelling of 534775644 in words is "five hundred thirty-four million, seven hundred seventy-five thousand, six hundred forty-four".