42100404030 has 192 divisors, whose sum is σ = 116089459200. Its totient is φ = 10569511680.

The previous prime is 42100403963. The next prime is 42100404037. The reversal of 42100404030 is 3040400124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42100403994 and 42100404012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42100404037) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20171647 + ... + 20173733.

It is an arithmetic number, because the mean of its divisors is an integer number (604632600).

Almost surely, 2^42100404030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42100404030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58044729600).

42100404030 is an abundant number, since it is smaller than the sum of its proper divisors (73989055170).

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

42100404030 is a wasteful number, since it uses less digits than its factorization.

42100404030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 42100404030 its reverse (3040400124), we get a palindrome (45140804154).

The spelling of 42100404030 in words is "forty-two billion, one hundred million, four hundred four thousand, thirty".