42530640030 has 112 divisors (see below), whose sum is σ = 118483438464. Its totient is φ = 10975590720.

The previous prime is 42530640017. The next prime is 42530640101. The reversal of 42530640030 is 3004603524.

42530640030 is a `hidden beast` number, since 4 + 253 + 0 + 6 + 400 + 3 + 0 = 666.

It is a super-2 number, since 2×42530640030² (a number of 22 digits) 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 = 42530639976 and 42530640003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 131892 + ... + 320088.

Almost surely, 2^42530640030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42530640030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59241719232).

42530640030 is an abundant number, since it is smaller than the sum of its proper divisors (75952798434).

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

42530640030 is a wasteful number, since it uses less digits than its factorization.

42530640030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188253 (or 188238 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 42530640030 in words is "forty-two billion, five hundred thirty million, six hundred forty thousand, thirty".