42451727628 has 24 divisors (see below), whose sum is σ = 99094090032. Its totient is φ = 14144853184.

The previous prime is 42451727611. The next prime is 42451727641. The reversal of 42451727628 is 82672715424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684375 + ... + 743822.

It is an arithmetic number, because the mean of its divisors is an integer number (4128920418).

Almost surely, 2^42451727628 is an apocalyptic number.

It is an amenable number.

42451727628 is an abundant number, since it is smaller than the sum of its proper divisors (56642362404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42451727628 is a wasteful number, since it uses less digits than its factorization.

42451727628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430681 (or 1430679 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The spelling of 42451727628 in words is "forty-two billion, four hundred fifty-one million, seven hundred twenty-seven thousand, six hundred twenty-eight".