420235615112 has 8 divisors (see below), whose sum is σ = 787941778350. Its totient is φ = 210117807552.

The previous prime is 420235615103. The next prime is 420235615153. The reversal of 420235615112 is 211516532024.

It can be written as a sum of positive squares in only one way, i.e., 229837783396 + 190397831716 = 479414^2 + 436346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×420235615112² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26264725937 + ... + 26264725952.

Almost surely, 2^420235615112 is an apocalyptic number.

It is an amenable number.

420235615112 is a deficient number, since it is larger than the sum of its proper divisors (367706163238).

420235615112 is a wasteful number, since it uses less digits than its factorization.

420235615112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52529451895 (or 52529451891 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 420235615112 in words is "four hundred twenty billion, two hundred thirty-five million, six hundred fifteen thousand, one hundred twelve".