42021433142 has 32 divisors (see below), whose sum is σ = 68198300352. Its totient is φ = 19303979904.

The previous prime is 42021433127. The next prime is 42021433177. The reversal of 42021433142 is 24133412024.

42021433142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5988428 + ... + 5995440.

It is an arithmetic number, because the mean of its divisors is an integer number (2131196886).

Almost surely, 2^42021433142 is an apocalyptic number.

42021433142 is a deficient number, since it is larger than the sum of its proper divisors (26176867210).

42021433142 is a wasteful number, since it uses less digits than its factorization.

42021433142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42021433142 its reverse (24133412024), we get a palindrome (66154845166).

The spelling of 42021433142 in words is "forty-two billion, twenty-one million, four hundred thirty-three thousand, one hundred forty-two".