534253644 has 60 divisors (see below), whose sum is σ = 1400761824. Its totient is φ = 177559776.

The previous prime is 534253613. The next prime is 534253649. The reversal of 534253644 is 446352435.

534253644 is a `hidden beast` number, since 5 + 3 + 4 + 2 + 5 + 3 + 644 = 666.

It is a super-2 number, since 2×534253644² = 570853912254557472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 534253599 and 534253608.

It is not an unprimeable number, because it can be changed into a prime (534253649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116662 + ... + 121154.

Almost surely, 2^534253644 is an apocalyptic number.

534253644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 534253644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700380912).

534253644 is an abundant number, since it is smaller than the sum of its proper divisors (866508180).

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

534253644 is a wasteful number, since it uses less digits than its factorization.

534253644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876 (or 4865 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 534253644 is about 23113.9274897193. The cubic root of 534253644 is about 811.4264576430.

The spelling of 534253644 in words is "five hundred thirty-four million, two hundred fifty-three thousand, six hundred forty-four".