534304240 has 80 divisors (see below), whose sum is σ = 1282203648. Its totient is φ = 206938368.

The previous prime is 534304229. The next prime is 534304249. The reversal of 534304240 is 42403435.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534304249) 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, 436269 + ... + 437491.

Almost surely, 2^534304240 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 534304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641101824).

534304240 is an abundant number, since it is smaller than the sum of its proper divisors (747899408).

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

534304240 is a wasteful number, since it uses less digits than its factorization.

534304240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 534304240 is about 23115.0219554298. The cubic root of 534304240 is about 811.4520719665.

Adding to 534304240 its reverse (42403435), we get a palindrome (576707675).

The spelling of 534304240 in words is "five hundred thirty-four million, three hundred four thousand, two hundred forty".