42688626604 has 12 divisors (see below), whose sum is σ = 80451642544. Its totient is φ = 19702443024.

The previous prime is 42688626593. The next prime is 42688626647. The reversal of 42688626604 is 40662688624.

It is a super-3 number, since 3×42688626604³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 820935127 = 42688626604 / (4 + 2 + 6 + 8 + 8 + 6 + 2 + 6 + 6 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410467512 + ... + 410467615.

Almost surely, 2^42688626604 is an apocalyptic number.

It is an amenable number.

42688626604 is a deficient number, since it is larger than the sum of its proper divisors (37763015940).

42688626604 is a wasteful number, since it uses less digits than its factorization.

42688626604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820935144 (or 820935142 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 52.

The spelling of 42688626604 in words is "forty-two billion, six hundred eighty-eight million, six hundred twenty-six thousand, six hundred four".