626420002 has 8 divisors (see below), whose sum is σ = 1011909276. Its totient is φ = 289116912.

The previous prime is 626419999. The next prime is 626420021. The reversal of 626420002 is 200024626.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 507195441 + 119224561 = 22521^2 + 10919^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12046513 + ... + 12046564.

Almost surely, 2^626420002 is an apocalyptic number.

626420002 is a deficient number, since it is larger than the sum of its proper divisors (385489274).

626420002 is a wasteful number, since it uses less digits than its factorization.

626420002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24093092.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 626420002 is about 25028.3839270537. The cubic root of 626420002 is about 855.6349953772.

Adding to 626420002 its reverse (200024626), we get a palindrome (826444628).

The spelling of 626420002 in words is "six hundred twenty-six million, four hundred twenty thousand, two".