1407628668 has 12 divisors (see below), whose sum is σ = 3284466920. Its totient is φ = 469209552.

The previous prime is 1407628637. The next prime is 1407628669. The reversal of 1407628668 is 8668267041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407628669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58651183 + ... + 58651206.

Almost surely, 2^1407628668 is an apocalyptic number.

It is an amenable number.

1407628668 is an abundant number, since it is smaller than the sum of its proper divisors (1876838252).

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

1407628668 is a wasteful number, since it uses less digits than its factorization.

1407628668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117302396 (or 117302394 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 1407628668 is about 37518.3777367839. The cubic root of 1407628668 is about 1120.7171926455.

The spelling of 1407628668 in words is "one billion, four hundred seven million, six hundred twenty-eight thousand, six hundred sixty-eight".