524230640 has 20 divisors (see below), whose sum is σ = 1218836424. Its totient is φ = 209692224.

The previous prime is 524230639. The next prime is 524230643. The reversal of 524230640 is 46032425.

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524230643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3276362 + ... + 3276521.

Almost surely, 2^524230640 is an apocalyptic number.

It is an amenable number.

524230640 is an abundant number, since it is smaller than the sum of its proper divisors (694605784).

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

524230640 is a wasteful number, since it uses less digits than its factorization.

524230640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552896 (or 6552890 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 524230640 is about 22896.0835078841. The cubic root of 524230640 is about 806.3200644998.

The spelling of 524230640 in words is "five hundred twenty-four million, two hundred thirty thousand, six hundred forty".