42254668761 has 16 divisors (see below), whose sum is σ = 58164277248. Its totient is φ = 27257648400.

The previous prime is 42254668759. The next prime is 42254668763. The reversal of 42254668761 is 16786645224.

It is an interprime number because it is at equal distance from previous prime (42254668759) and next prime (42254668763).

It is not a de Polignac number, because 42254668761 - 2¹ = 42254668759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42254668763) 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, 864076 + ... + 911666.

It is an arithmetic number, because the mean of its divisors is an integer number (3635267328).

Almost surely, 2^42254668761 is an apocalyptic number.

It is an amenable number.

42254668761 is a deficient number, since it is larger than the sum of its proper divisors (15909608487).

42254668761 is a wasteful number, since it uses less digits than its factorization.

42254668761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57172.

The product of its digits is 3870720, while the sum is 51.

The spelling of 42254668761 in words is "forty-two billion, two hundred fifty-four million, six hundred sixty-eight thousand, seven hundred sixty-one".