42530640032 has 12 divisors (see below), whose sum is σ = 83732197626. Its totient is φ = 21265320000.

The previous prime is 42530640017. The next prime is 42530640101. The reversal of 42530640032 is 23004603524.

It can be written as a sum of positive squares in only one way, i.e., 32053889296 + 10476750736 = 179036^2 + 102356^2 .

It is a super-2 number, since 2×42530640032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42530639977 and 42530640004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664541219 + ... + 664541282.

Almost surely, 2^42530640032 is an apocalyptic number.

It is an amenable number.

42530640032 is a deficient number, since it is larger than the sum of its proper divisors (41201557594).

42530640032 is a wasteful number, since it uses less digits than its factorization.

42530640032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329082511 (or 1329082503 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The spelling of 42530640032 in words is "forty-two billion, five hundred thirty million, six hundred forty thousand, thirty-two".