1400668008 has 32 divisors (see below), whose sum is σ = 3502699200. Its totient is φ = 466752128.

The previous prime is 1400668001. The next prime is 1400668033. The reversal of 1400668008 is 8008660041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400668008.

It is not an unprimeable number, because it can be changed into a prime (1400668001) 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 7 ways as a sum of consecutive naturals, for example, 106060 + ... + 118532.

It is an arithmetic number, because the mean of its divisors is an integer number (109459350).

Almost surely, 2^1400668008 is an apocalyptic number.

It is an amenable number.

1400668008 is an abundant number, since it is smaller than the sum of its proper divisors (2102031192).

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

1400668008 is a wasteful number, since it uses less digits than its factorization.

1400668008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17161 (or 17157 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1400668008 is about 37425.4994355453. The cubic root of 1400668008 is about 1118.8668407332.

The spelling of 1400668008 in words is "one billion, four hundred million, six hundred sixty-eight thousand, eight".