34221240142 has 32 divisors (see below), whose sum is σ = 55659301632. Its totient is φ = 15717174144.

The previous prime is 34221240139. The next prime is 34221240149. The reversal of 34221240142 is 24104212243.

It is a super-4 number, since 4×34221240142⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34221240149) 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, 1989993 + ... + 2007115.

It is an arithmetic number, because the mean of its divisors is an integer number (1739353176).

Almost surely, 2^34221240142 is an apocalyptic number.

34221240142 is a deficient number, since it is larger than the sum of its proper divisors (21438061490).

34221240142 is a wasteful number, since it uses less digits than its factorization.

34221240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18552.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 34221240142 its reverse (24104212243), we get a palindrome (58325452385).

The spelling of 34221240142 in words is "thirty-four billion, two hundred twenty-one million, two hundred forty thousand, one hundred forty-two".