42720606800 has 30 divisors (see below), whose sum is σ = 102636258798. Its totient is φ = 17088242560.

The previous prime is 42720606793. The next prime is 42720606811. The reversal of 42720606800 is 860602724.

It can be written as a sum of positive squares in 3 ways, for example, as 6349539856 + 36371066944 = 79684^2 + 190712^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 53400359 + ... + 53401158.

Almost surely, 2^42720606800 is an apocalyptic number.

42720606800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42720606800 is an abundant number, since it is smaller than the sum of its proper divisors (59915651998).

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

42720606800 is a wasteful number, since it uses less digits than its factorization.

42720606800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106801535 (or 106801524 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 42720606800 in words is "forty-two billion, seven hundred twenty million, six hundred six thousand, eight hundred".