42140211345 has 48 divisors (see below), whose sum is σ = 74779765632. Its totient is φ = 21940934400.

The previous prime is 42140211341. The next prime is 42140211361. The reversal of 42140211345 is 54311204124.

It is not a de Polignac number, because 42140211345 - 2² = 42140211341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42140211341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4931917 + ... + 4940453.

It is an arithmetic number, because the mean of its divisors is an integer number (1557911784).

Almost surely, 2^42140211345 is an apocalyptic number.

42140211345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42140211345 is a deficient number, since it is larger than the sum of its proper divisors (32639554287).

42140211345 is a wasteful number, since it uses less digits than its factorization.

42140211345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142 (or 11139 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 42140211345 its reverse (54311204124), we get a palindrome (96451415469).

The spelling of 42140211345 in words is "forty-two billion, one hundred forty million, two hundred eleven thousand, three hundred forty-five".