42626644464 has 80 divisors (see below), whose sum is σ = 118012303872. Its totient is φ = 13223764224.

The previous prime is 42626644421. The next prime is 42626644469. The reversal of 42626644464 is 46444662624.

It is a super-3 number, since 3×42626644464³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42626644469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480924 + ... + 562619.

Almost surely, 2^42626644464 is an apocalyptic number.

It is an amenable number.

42626644464 is an abundant number, since it is smaller than the sum of its proper divisors (75385659408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42626644464 is a wasteful number, since it uses less digits than its factorization.

42626644464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043614 (or 1043608 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 48.

The spelling of 42626644464 in words is "forty-two billion, six hundred twenty-six million, six hundred forty-four thousand, four hundred sixty-four".