10265406642 has 32 divisors (see below), whose sum is σ = 22926672000. Its totient is φ = 3404603664.

The previous prime is 10265406623. The next prime is 10265406649. The reversal of 10265406642 is 24660456201.

10265406642 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 5 + 4 + 0 + 6 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 10265406597 and 10265406606.

It is not an unprimeable number, because it can be changed into a prime (10265406649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466893 + ... + 488384.

It is an arithmetic number, because the mean of its divisors is an integer number (716458500).

Almost surely, 2^10265406642 is an apocalyptic number.

10265406642 is an abundant number, since it is smaller than the sum of its proper divisors (12661265358).

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

10265406642 is a wasteful number, since it uses less digits than its factorization.

10265406642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955487 (or 955481 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 10265406642 in words is "ten billion, two hundred sixty-five million, four hundred six thousand, six hundred forty-two".