42054672061 has 8 divisors (see below), whose sum is σ = 42787128384. Its totient is φ = 41328449760.

The previous prime is 42054672053. The next prime is 42054672071. The reversal of 42054672061 is 16027645024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42054672061 - 2³ = 42054672053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42054672061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054672071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544896 + ... + 1571881.

It is an arithmetic number, because the mean of its divisors is an integer number (5348391048).

Almost surely, 2^42054672061 is an apocalyptic number.

It is an amenable number.

42054672061 is a deficient number, since it is larger than the sum of its proper divisors (732456323).

42054672061 is a wasteful number, since it uses less digits than its factorization.

42054672061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117011.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 42054672061 in words is "forty-two billion, fifty-four million, six hundred seventy-two thousand, sixty-one".