42705008838 has 16 divisors (see below), whose sum is σ = 94900019760. Its totient is φ = 14235002928.

The previous prime is 42705008809. The next prime is 42705008849. The reversal of 42705008838 is 83880050724.

42705008838 is a `hidden beast` number, since 42 + 70 + 500 + 8 + 8 + 38 = 666.

It is a super-2 number, since 2×42705008838² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42705008793 and 42705008802.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 395416695 + ... + 395416802.

It is an arithmetic number, because the mean of its divisors is an integer number (5931251235).

Almost surely, 2^42705008838 is an apocalyptic number.

42705008838 is an abundant number, since it is smaller than the sum of its proper divisors (52195010922).

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

42705008838 is a wasteful number, since it uses less digits than its factorization.

42705008838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790833508 (or 790833502 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 42705008838 in words is "forty-two billion, seven hundred five million, eight thousand, eight hundred thirty-eight".