42140005055 has 32 divisors (see below), whose sum is σ = 52467766848. Its totient is φ = 32470963200.

The previous prime is 42140005027. The next prime is 42140005069. The reversal of 42140005055 is 55050004124.

It is a de Polignac number, because none of the positive numbers 2^k-42140005055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9486635 + ... + 9491075.

It is an arithmetic number, because the mean of its divisors is an integer number (1639617714).

Almost surely, 2^42140005055 is an apocalyptic number.

42140005055 is a deficient number, since it is larger than the sum of its proper divisors (10327761793).

42140005055 is a wasteful number, since it uses less digits than its factorization.

42140005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 42140005055 its reverse (55050004124), we get a palindrome (97190009179).

The spelling of 42140005055 in words is "forty-two billion, one hundred forty million, five thousand, fifty-five".