42674620826 has 4 divisors (see below), whose sum is σ = 64011931242. Its totient is φ = 21337310412.

The previous prime is 42674620819. The next prime is 42674620829. The reversal of 42674620826 is 62802647624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41887762225 + 786858601 = 204665^2 + 28051^2 .

It is a super-2 number, since 2×42674620826² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42674620829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10668655205 + ... + 10668655208.

Almost surely, 2^42674620826 is an apocalyptic number.

42674620826 is a deficient number, since it is larger than the sum of its proper divisors (21337310416).

42674620826 is a wasteful number, since it uses less digits than its factorization.

42674620826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21337310415.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The spelling of 42674620826 in words is "forty-two billion, six hundred seventy-four million, six hundred twenty thousand, eight hundred twenty-six".