42144282461 has 8 divisors (see below), whose sum is σ = 44036168640. Its totient is φ = 40257356832.

The previous prime is 42144282431. The next prime is 42144282469. The reversal of 42144282461 is 16428244124.

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 42144282461 - 2²² = 42140088157 is a prime.

It is a super-2 number, since 2×42144282461² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144282469) 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, 1222760 + ... + 1256753.

It is an arithmetic number, because the mean of its divisors is an integer number (5504521080).

Almost surely, 2^42144282461 is an apocalyptic number.

It is an amenable number.

42144282461 is a deficient number, since it is larger than the sum of its proper divisors (1891886179).

42144282461 is a wasteful number, since it uses less digits than its factorization.

42144282461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480275.

The product of its digits is 98304, while the sum is 38.

The spelling of 42144282461 in words is "forty-two billion, one hundred forty-four million, two hundred eighty-two thousand, four hundred sixty-one".