42450427481 has 16 divisors (see below), whose sum is σ = 53470838400. Its totient is φ = 32737236480.

The previous prime is 42450427463. The next prime is 42450427483. The reversal of 42450427481 is 18472405424.

It is a cyclic number.

It is not a de Polignac number, because 42450427481 - 2⁶ = 42450427417 is a prime.

It is a super-2 number, since 2×42450427481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42450427483) 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, 2834306 + ... + 2849243.

It is an arithmetic number, because the mean of its divisors is an integer number (3341927400).

Almost surely, 2^42450427481 is an apocalyptic number.

It is an amenable number.

42450427481 is a deficient number, since it is larger than the sum of its proper divisors (11020410919).

42450427481 is a wasteful number, since it uses less digits than its factorization.

42450427481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683664.

The product of its (nonzero) digits is 286720, while the sum is 41.

The spelling of 42450427481 in words is "forty-two billion, four hundred fifty million, four hundred twenty-seven thousand, four hundred eighty-one".