42548650728 has 48 divisors (see below), whose sum is σ = 111197593920. Its totient is φ = 13566232416.

The previous prime is 42548650723. The next prime is 42548650733. The reversal of 42548650728 is 82705684524.

It is an interprime number because it is at equal distance from previous prime (42548650723) and next prime (42548650733).

It is not an unprimeable number, because it can be changed into a prime (42548650723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1662976 + ... + 1688367.

It is an arithmetic number, because the mean of its divisors is an integer number (2316616540).

Almost surely, 2^42548650728 is an apocalyptic number.

It is an amenable number.

42548650728 is an abundant number, since it is smaller than the sum of its proper divisors (68648943192).

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

42548650728 is a wasteful number, since it uses less digits than its factorization.

42548650728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351398 (or 3351371 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 42548650728 in words is "forty-two billion, five hundred forty-eight million, six hundred fifty thousand, seven hundred twenty-eight".