42003215626 has 16 divisors (see below), whose sum is σ = 63209899368. Its totient is φ = 20933348800.

The previous prime is 42003215623. The next prime is 42003215669. The reversal of 42003215626 is 62651230024.

It can be written as a sum of positive squares in 4 ways, for example, as 32603719225 + 9399496401 = 180565^2 + 96951^2 .

It is not an unprimeable number, because it can be changed into a prime (42003215623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843396 + ... + 891808.

Almost surely, 2^42003215626 is an apocalyptic number.

42003215626 is a deficient number, since it is larger than the sum of its proper divisors (21206683742).

42003215626 is a wasteful number, since it uses less digits than its factorization.

42003215626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49817.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 42003215626 in words is "forty-two billion, three million, two hundred fifteen thousand, six hundred twenty-six".