42722867841 has 16 divisors (see below), whose sum is σ = 60585122304. Its totient is φ = 26686289664.

The previous prime is 42722867833. The next prime is 42722867849. The reversal of 42722867841 is 14876822724.

It is an interprime number because it is at equal distance from previous prime (42722867833) and next prime (42722867849).

It is not a de Polignac number, because 42722867841 - 2³ = 42722867833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (42722867849) 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, 1866886 + ... + 1889631.

It is an arithmetic number, because the mean of its divisors is an integer number (3786570144).

Almost surely, 2^42722867841 is an apocalyptic number.

It is an amenable number.

42722867841 is a deficient number, since it is larger than the sum of its proper divisors (17862254463).

42722867841 is a wasteful number, since it uses less digits than its factorization.

42722867841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756760.

The product of its digits is 2408448, while the sum is 51.

The spelling of 42722867841 in words is "forty-two billion, seven hundred twenty-two million, eight hundred sixty-seven thousand, eight hundred forty-one".