42531640364 has 24 divisors (see below), whose sum is σ = 74870342400. Its totient is φ = 21140303184.

The previous prime is 42531640351. The next prime is 42531640379. The reversal of 42531640364 is 46304613524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902777 + ... + 948719.

It is an arithmetic number, because the mean of its divisors is an integer number (3119597600).

Almost surely, 2^42531640364 is an apocalyptic number.

It is an amenable number.

42531640364 is a deficient number, since it is larger than the sum of its proper divisors (32338702036).

42531640364 is a wasteful number, since it uses less digits than its factorization.

42531640364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47309 (or 47307 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 42531640364 in words is "forty-two billion, five hundred thirty-one million, six hundred forty thousand, three hundred sixty-four".