534031440 has 80 divisors (see below), whose sum is σ = 1671964416. Its totient is φ = 140992000.

The previous prime is 534031429. The next prime is 534031441. The reversal of 534031440 is 44130435.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 534031440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534031441) 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, 13225 + ... + 35255.

Almost surely, 2^534031440 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 534031440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835982208).

534031440 is an abundant number, since it is smaller than the sum of its proper divisors (1137932976).

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

534031440 is a wasteful number, since it uses less digits than its factorization.

534031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22148 (or 22142 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 534031440 is about 23109.1202775008. The cubic root of 534031440 is about 811.3139472844.

Adding to 534031440 its reverse (44130435), we get a palindrome (578161875).

The spelling of 534031440 in words is "five hundred thirty-four million, thirty-one thousand, four hundred forty".