42919455807 has 48 divisors (see below), whose sum is σ = 66574535040. Its totient is φ = 26549376000.

The previous prime is 42919455793. The next prime is 42919455827. The reversal of 42919455807 is 70855491924.

It is a happy number.

42919455807 is a `hidden beast` number, since 4 + 2 + 9 + 19 + 45 + 580 + 7 = 666.

It is not a de Polignac number, because 42919455807 - 2¹⁶ = 42919390271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42919455827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3687457 + ... + 3699077.

It is an arithmetic number, because the mean of its divisors is an integer number (1386969480).

Almost surely, 2^42919455807 is an apocalyptic number.

42919455807 is a deficient number, since it is larger than the sum of its proper divisors (23655079233).

42919455807 is a wasteful number, since it uses less digits than its factorization.

42919455807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11984 (or 11981 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 42919455807 in words is "forty-two billion, nine hundred nineteen million, four hundred fifty-five thousand, eight hundred seven".