42476426644 has 12 divisors (see below), whose sum is σ = 78706320084. Its totient is φ = 19988906624.

The previous prime is 42476426621. The next prime is 42476426659. The reversal of 42476426644 is 44662467424.

It can be written as a sum of positive squares in 2 ways, for example, as 37109399044 + 5367027600 = 192638^2 + 73260^2 .

It is a super-2 number, since 2×42476426644² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 312326599 + ... + 312326734.

It is an arithmetic number, because the mean of its divisors is an integer number (6558860007).

Almost surely, 2^42476426644 is an apocalyptic number.

It is an amenable number.

42476426644 is a deficient number, since it is larger than the sum of its proper divisors (36229893440).

42476426644 is a wasteful number, since it uses less digits than its factorization.

42476426644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624653354 (or 624653352 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 49.

The spelling of 42476426644 in words is "forty-two billion, four hundred seventy-six million, four hundred twenty-six thousand, six hundred forty-four".