42140933405 has 16 divisors (see below), whose sum is σ = 50782198320. Its totient is φ = 33570820608.

The previous prime is 42140933399. The next prime is 42140933407. The reversal of 42140933405 is 50433904124.

It can be written as a sum of positive squares in 8 ways, for example, as 6993307876 + 35147625529 = 83626^2 + 187477^2 .

It is a cyclic number.

It is not a de Polignac number, because 42140933405 - 2¹⁰ = 42140932381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42140933407) 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, 3212039 + ... + 3225131.

It is an arithmetic number, because the mean of its divisors is an integer number (3173887395).

Almost surely, 2^42140933405 is an apocalyptic number.

It is an amenable number.

42140933405 is a deficient number, since it is larger than the sum of its proper divisors (8641264915).

42140933405 is a wasteful number, since it uses less digits than its factorization.

42140933405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15760.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 42140933405 in words is "forty-two billion, one hundred forty million, nine hundred thirty-three thousand, four hundred five".