42603660420 has 144 divisors (see below), whose sum is σ = 123129586944. Its totient is φ = 11001728000.

The previous prime is 42603660389. The next prime is 42603660469. The reversal of 42603660420 is 2406630624.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28766080 + ... + 28767560.

It is an arithmetic number, because the mean of its divisors is an integer number (855066576).

Almost surely, 2^42603660420 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 42603660420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61564793472).

42603660420 is an abundant number, since it is smaller than the sum of its proper divisors (80525926524).

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

42603660420 is a wasteful number, since it uses less digits than its factorization.

42603660420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 42603660420 in words is "forty-two billion, six hundred three million, six hundred sixty thousand, four hundred twenty".