626642466 has 8 divisors (see below), whose sum is σ = 1253284944. Its totient is φ = 208880820.

The previous prime is 626642461. The next prime is 626642507. The reversal of 626642466 is 664246626.

It is a sphenic number, since it is the product of 3 distinct primes.

626642466 is an admirable number.

It is a super-2 number, since 2×626642466² = 785361560389122312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (626642461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52220200 + ... + 52220211.

It is an arithmetic number, because the mean of its divisors is an integer number (156660618).

Almost surely, 2^626642466 is an apocalyptic number.

626642466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

626642466 is a wasteful number, since it uses less digits than its factorization.

626642466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104440416.

The product of its digits is 497664, while the sum is 42.

The square root of 626642466 is about 25032.8277667546. The cubic root of 626642466 is about 855.7362721853.

The spelling of 626642466 in words is "six hundred twenty-six million, six hundred forty-two thousand, four hundred sixty-six".