42650640442406 has 16 divisors (see below), whose sum is σ = 64234207094400. Its totient is φ = 21239328550848.

The previous prime is 42650640442363. The next prime is 42650640442427. The reversal of 42650640442406 is 60424404605624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21674486 + ... + 23560233.

It is an arithmetic number, because the mean of its divisors is an integer number (4014637943400).

Almost surely, 2^{42650640442406} is an apocalyptic number.

42650640442406 is a deficient number, since it is larger than the sum of its proper divisors (21583566651994).

42650640442406 is a wasteful number, since it uses less digits than its factorization.

42650640442406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45236623.

The product of its (nonzero) digits is 4423680, while the sum is 47.

The spelling of 42650640442406 in words is "forty-two trillion, six hundred fifty billion, six hundred forty million, four hundred forty-two thousand, four hundred six".