40421420130342 has 32 divisors (see below), whose sum is σ = 83363058100224. Its totient is φ = 13058123112000.

The previous prime is 40421420130323. The next prime is 40421420130347. The reversal of 40421420130342 is 24303102412404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421420130347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544051318 + ... + 544125609.

It is an arithmetic number, because the mean of its divisors is an integer number (2605095565632).

Almost surely, 2^{40421420130342} is an apocalyptic number.

40421420130342 is an abundant number, since it is smaller than the sum of its proper divisors (42941637969882).

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

40421420130342 is a wasteful number, since it uses less digits than its factorization.

40421420130342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088177124.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40421420130342 its reverse (24303102412404), we get a palindrome (64724522542746).

The spelling of 40421420130342 in words is "forty trillion, four hundred twenty-one billion, four hundred twenty million, one hundred thirty thousand, three hundred forty-two".