6264640626 has 8 divisors (see below), whose sum is σ = 12529281264. Its totient is φ = 2088213540.

The previous prime is 6264640619. The next prime is 6264640649. The reversal of 6264640626 is 6260464626.

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

6264640626 is an admirable number.

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, 522053380 + ... + 522053391.

It is an arithmetic number, because the mean of its divisors is an integer number (1566160158).

Almost surely, 2^6264640626 is an apocalyptic number.

6264640626 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.

6264640626 is a wasteful number, since it uses less digits than its factorization.

6264640626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044106776.

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

The square root of 6264640626 is about 79149.4827904769. The cubic root of 6264640626 is about 1843.4529350969.

The spelling of 6264640626 in words is "six billion, two hundred sixty-four million, six hundred forty thousand, six hundred twenty-six".