42521112304 has 40 divisors (see below), whose sum is σ = 92773347840. Its totient is φ = 18704299200.

The previous prime is 42521112199. The next prime is 42521112307. The reversal of 42521112304 is 40321112524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42521112307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891274 + ... + 3902185.

It is an arithmetic number, because the mean of its divisors is an integer number (2319333696).

Almost surely, 2^42521112304 is an apocalyptic number.

42521112304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42521112304 is an abundant number, since it is smaller than the sum of its proper divisors (50252235536).

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

42521112304 is a wasteful number, since it uses less digits than its factorization.

42521112304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793509 (or 7793503 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 42521112304 its reverse (40321112524), we get a palindrome (82842224828).

The spelling of 42521112304 in words is "forty-two billion, five hundred twenty-one million, one hundred twelve thousand, three hundred four".