8442950634 has 24 divisors (see below), whose sum is σ = 18543652452. Its totient is φ = 2775764160.

The previous prime is 8442950617. The next prime is 8442950639. The reversal of 8442950634 is 4360592448.

8442950634 is a `hidden beast` number, since 8 + 4 + 4 + 2 + 9 + 5 + 0 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7156652409 + 1286298225 = 84597^2 + 35865^2 .

It is a super-2 number, since 2×8442950634² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8442950634.

It is not an unprimeable number, because it can be changed into a prime (8442950639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3211377 + ... + 3214004.

Almost surely, 2^8442950634 is an apocalyptic number.

8442950634 is an abundant number, since it is smaller than the sum of its proper divisors (10100701818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8442950634 is a wasteful number, since it uses less digits than its factorization.

8442950634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425462 (or 6425459 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 8442950634 is about 91885.5300577844. The cubic root of 8442950634 is about 2036.2514972512.

The spelling of 8442950634 in words is "eight billion, four hundred forty-two million, nine hundred fifty thousand, six hundred thirty-four".