42445503430 has 32 divisors (see below), whose sum is σ = 83370912768. Its totient is φ = 15430399200.

The previous prime is 42445503427. The next prime is 42445503431. The reversal of 42445503430 is 3430554424.

It is a super-2 number, since 2×42445503430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42445503431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353739 + ... + 458281.

It is an arithmetic number, because the mean of its divisors is an integer number (2605341024).

Almost surely, 2^42445503430 is an apocalyptic number.

42445503430 is a deficient number, since it is larger than the sum of its proper divisors (40925409338).

42445503430 is a wasteful number, since it uses less digits than its factorization.

42445503430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108252.

The product of its (nonzero) digits is 115200, while the sum is 34.

The spelling of 42445503430 in words is "forty-two billion, four hundred forty-five million, five hundred three thousand, four hundred thirty".