42604162025 has 12 divisors (see below), whose sum is σ = 52841421132. Its totient is φ = 34075419840.

The previous prime is 42604161997. The next prime is 42604162121. The reversal of 42604162025 is 52026140624.

It can be written as a sum of positive squares in 6 ways, for example, as 4853209 + 42599308816 = 2203^2 + 206396^2 .

It is not a de Polignac number, because 42604162025 - 2¹⁰ = 42604161001 is a prime.

It is a super-2 number, since 2×42604162025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42604161982 and 42604162000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86642 + ... + 304491.

It is an arithmetic number, because the mean of its divisors is an integer number (4403451761).

Almost surely, 2^42604162025 is an apocalyptic number.

It is an amenable number.

42604162025 is a deficient number, since it is larger than the sum of its proper divisors (10237259107).

42604162025 is a wasteful number, since it uses less digits than its factorization.

42604162025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395500 (or 395495 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 42604162025 in words is "forty-two billion, six hundred four million, one hundred sixty-two thousand, twenty-five".