42035423420 has 24 divisors (see below), whose sum is σ = 88279260048. Its totient is φ = 16813241600.

The previous prime is 42035423383. The next prime is 42035423449. The reversal of 42035423420 is 2432453024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402875 + ... + 496365.

It is an arithmetic number, because the mean of its divisors is an integer number (3678302502).

Almost surely, 2^42035423420 is an apocalyptic number.

It is an amenable number.

42035423420 is an abundant number, since it is smaller than the sum of its proper divisors (46243836628).

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

42035423420 is a wasteful number, since it uses less digits than its factorization.

42035423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115981 (or 115979 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 42035423420 its reverse (2432453024), we get a palindrome (44467876444).

The spelling of 42035423420 in words is "forty-two billion, thirty-five million, four hundred twenty-three thousand, four hundred twenty".