42021102344 has 48 divisors (see below), whose sum is σ = 86590080720. Its totient is φ = 19104845760.

The previous prime is 42021102337. The next prime is 42021102349. The reversal of 42021102344 is 44320112024.

It is not an unprimeable number, because it can be changed into a prime (42021102349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141362 + ... + 322529.

It is an arithmetic number, because the mean of its divisors is an integer number (1803960015).

Almost surely, 2^42021102344 is an apocalyptic number.

It is an amenable number.

42021102344 is an abundant number, since it is smaller than the sum of its proper divisors (44568978376).

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

42021102344 is a wasteful number, since it uses less digits than its factorization.

42021102344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463990 (or 463973 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42021102344 its reverse (44320112024), we get a palindrome (86341214368).

The spelling of 42021102344 in words is "forty-two billion, twenty-one million, one hundred two thousand, three hundred forty-four".