6400266412 has 6 divisors (see below), whose sum is σ = 11200466228. Its totient is φ = 3200133204.

The previous prime is 6400266409. The next prime is 6400266421. The reversal of 6400266412 is 2146620046.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800033298 + ... + 800033305.

Almost surely, 2^6400266412 is an apocalyptic number.

It is an amenable number.

6400266412 is a deficient number, since it is larger than the sum of its proper divisors (4800199816).

6400266412 is a wasteful number, since it uses less digits than its factorization.

6400266412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600066607 (or 1600066605 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 6400266412 is about 80001.6650576724. The cubic root of 6400266412 is about 1856.6612950661.

Adding to 6400266412 its reverse (2146620046), we get a palindrome (8546886458).

The spelling of 6400266412 in words is "six billion, four hundred million, two hundred sixty-six thousand, four hundred twelve".