40035423442 has 12 divisors (see below), whose sum is σ = 69857728830. Its totient is φ = 17158038576.

The previous prime is 40035423403. The next prime is 40035423443. The reversal of 40035423442 is 24432453004.

It can be written as a sum of positive squares in only one way, i.e., 38589066481 + 1446356961 = 196441^2 + 38031^2 .

It is not an unprimeable number, because it can be changed into a prime (40035423443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204262267 + ... + 204262462.

Almost surely, 2^40035423442 is an apocalyptic number.

40035423442 is a deficient number, since it is larger than the sum of its proper divisors (29822305388).

40035423442 is a wasteful number, since it uses less digits than its factorization.

40035423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408524745 (or 408524738 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 40035423442 its reverse (24432453004), we get a palindrome (64467876446).

The spelling of 40035423442 in words is "forty billion, thirty-five million, four hundred twenty-three thousand, four hundred forty-two".