40642226635325 has 24 divisors (see below), whose sum is σ = 57684861182592. Its totient is φ = 27825881209920.

The previous prime is 40642226635321. The next prime is 40642226635391. The reversal of 40642226635325 is 52353662224604.

It is not a de Polignac number, because 40642226635325 - 2² = 40642226635321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40642226635321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179362274 + ... + 179588723.

It is an arithmetic number, because the mean of its divisors is an integer number (2403535882608).

Almost surely, 2^{40642226635325} is an apocalyptic number.

It is an amenable number.

40642226635325 is a deficient number, since it is larger than the sum of its proper divisors (17042634547267).

40642226635325 is a wasteful number, since it uses less digits than its factorization.

40642226635325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358951661 (or 358951656 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 50.

Adding to 40642226635325 its reverse (52353662224604), we get a palindrome (92995888859929).

The spelling of 40642226635325 in words is "forty trillion, six hundred forty-two billion, two hundred twenty-six million, six hundred thirty-five thousand, three hundred twenty-five".