1402168512 has 112 divisors (see below), whose sum is σ = 3866083200. Its totient is φ = 448112640.

The previous prime is 1402168511. The next prime is 1402168513. The reversal of 1402168512 is 2158612041.

It is an interprime number because it is at equal distance from previous prime (1402168511) and next prime (1402168513).

It is a self number, because there is not a number n which added to its sum of digits gives 1402168512.

It is not an unprimeable number, because it can be changed into a prime (1402168511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462939 + ... + 465957.

It is an arithmetic number, because the mean of its divisors is an integer number (34518600).

Almost surely, 2^1402168512 is an apocalyptic number.

1402168512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402168512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933041600).

1402168512 is an abundant number, since it is smaller than the sum of its proper divisors (2463914688).

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

1402168512 is a wasteful number, since it uses less digits than its factorization.

1402168512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1402168512 is about 37445.5406156728. The cubic root of 1402168512 is about 1119.2662370706.

The spelling of 1402168512 in words is "one billion, four hundred two million, one hundred sixty-eight thousand, five hundred twelve".