42165625352 has 32 divisors (see below), whose sum is σ = 81735136320. Its totient is φ = 20377137600.

The previous prime is 42165625331. The next prime is 42165625427. The reversal of 42165625352 is 25352656124.

It is a super-2 number, since 2×42165625352² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426998 + ... + 516389.

It is an arithmetic number, because the mean of its divisors is an integer number (2554223010).

Almost surely, 2^42165625352 is an apocalyptic number.

It is an amenable number.

42165625352 is a deficient number, since it is larger than the sum of its proper divisors (39569510968).

42165625352 is a wasteful number, since it uses less digits than its factorization.

42165625352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943581 (or 943577 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The spelling of 42165625352 in words is "forty-two billion, one hundred sixty-five million, six hundred twenty-five thousand, three hundred fifty-two".