6404628810 has 16 divisors (see below), whose sum is σ = 15371109216. Its totient is φ = 1707901008.

The previous prime is 6404628779. The next prime is 6404628821. The reversal of 6404628810 is 188264046.

It is a super-2 number, since 2×6404628810² = 82038540387764032200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106743784 + ... + 106743843.

It is an arithmetic number, because the mean of its divisors is an integer number (960694326).

Almost surely, 2^6404628810 is an apocalyptic number.

6404628810 is an abundant number, since it is smaller than the sum of its proper divisors (8966480406).

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

6404628810 is a wasteful number, since it uses less digits than its factorization.

6404628810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213487637.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 6404628810 is about 80028.9248334626. The cubic root of 6404628810 is about 1857.0830304283.

The spelling of 6404628810 in words is "six billion, four hundred four million, six hundred twenty-eight thousand, eight hundred ten".