530807040 has 144 divisors (see below), whose sum is σ = 1883750400. Its totient is φ = 141539328.

The previous prime is 530807023. The next prime is 530807051. The reversal of 530807040 is 40708035.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×530807040² = 563512227427123200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 530806995 and 530807013.

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, 26881 + ... + 42239.

It is an arithmetic number, because the mean of its divisors is an integer number (13081600).

Almost surely, 2^530807040 is an apocalyptic number.

530807040 is the 11520-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530807040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941875200).

530807040 is an abundant number, since it is smaller than the sum of its proper divisors (1352943360).

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

530807040 is a wasteful number, since it uses less digits than its factorization.

530807040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15389 (or 15369 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 530807040 is about 23039.2499877926. The cubic root of 530807040 is about 809.6777867945.

The spelling of 530807040 in words is "five hundred thirty million, eight hundred seven thousand, forty".