530199940 has 24 divisors (see below), whose sum is σ = 1172021760. Its totient is φ = 200917728.

The previous prime is 530199919. The next prime is 530199941. The reversal of 530199940 is 49991035.

It is a super-2 number, since 2×530199940² = 562223952752007200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 530199893 and 530199902.

It is not an unprimeable number, because it can be changed into a prime (530199941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697252 + ... + 698011.

It is an arithmetic number, because the mean of its divisors is an integer number (48834240).

Almost surely, 2^530199940 is an apocalyptic number.

It is an amenable number.

530199940 is an abundant number, since it is smaller than the sum of its proper divisors (641821820).

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

530199940 is a wasteful number, since it uses less digits than its factorization.

530199940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395291 (or 1395289 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 530199940 is about 23026.0708762915. The cubic root of 530199940 is about 809.3689847448.

The spelling of 530199940 in words is "five hundred thirty million, one hundred ninety-nine thousand, nine hundred forty".