534444240 has 80 divisors (see below), whose sum is σ = 1807402176. Its totient is φ = 129561600.

The previous prime is 534444187. The next prime is 534444259. The reversal of 534444240 is 42444435.

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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 534444198 and 534444207.

It is a congruent number.

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, 98581 + ... + 103860.

Almost surely, 2^534444240 is an apocalyptic number.

It is an amenable number.

534444240 is an abundant number, since it is smaller than the sum of its proper divisors (1272957936).

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

534444240 is a wasteful number, since it uses less digits than its factorization.

534444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202468 (or 202462 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 534444240 is about 23118.0500907840. The cubic root of 534444240 is about 811.5229388128.

Adding to 534444240 its reverse (42444435), we get a palindrome (576888675).

The spelling of 534444240 in words is "five hundred thirty-four million, four hundred forty-four thousand, two hundred forty".