42603273216 has 616 divisors, whose sum is σ = 151210481664. Its totient is φ = 11734917120.

The previous prime is 42603273211. The next prime is 42603273233. The reversal of 42603273216 is 61237230624.

42603273216 is a `hidden beast` number, since 4 + 2 + 6 + 0 + 327 + 321 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42603273211) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 161989501 + ... + 161989763.

Almost surely, 2^42603273216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42603273216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75605240832).

42603273216 is an abundant number, since it is smaller than the sum of its proper divisors (108607208448).

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

42603273216 is an equidigital number, since it uses as much as digits as its factorization.

42603273216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 42603273216 in words is "forty-two billion, six hundred three million, two hundred seventy-three thousand, two hundred sixteen".