420642155300 has 36 divisors (see below), whose sum is σ = 937463579220. Its totient is φ = 163709377920.

The previous prime is 420642155293. The next prime is 420642155317. The reversal of 420642155300 is 3551246024.

It can be written as a sum of positive squares in 6 ways, for example, as 47597276224 + 373044879076 = 218168^2 + 610774^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 56839835 + ... + 56847234.

Almost surely, 2^420642155300 is an apocalyptic number.

It is an amenable number.

420642155300 is an abundant number, since it is smaller than the sum of its proper divisors (516821423920).

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

420642155300 is a wasteful number, since it uses less digits than its factorization.

420642155300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113687120 (or 113687113 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 420642155300 in words is "four hundred twenty billion, six hundred forty-two million, one hundred fifty-five thousand, three hundred".