402143316 has 48 divisors (see below), whose sum is σ = 981657600. Its totient is φ = 127888992.

The previous prime is 402143311. The next prime is 402143323. The reversal of 402143316 is 613341204.

It is a super-3 number, since 3×402143316³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402143311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119505 + ... + 122823.

It is an arithmetic number, because the mean of its divisors is an integer number (20451200).

Almost surely, 2^402143316 is an apocalyptic number.

402143316 is a gapful number since it is divisible by the number (46) 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 402143316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490828800).

402143316 is an abundant number, since it is smaller than the sum of its proper divisors (579514284).

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

402143316 is a wasteful number, since it uses less digits than its factorization.

402143316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788 (or 3786 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 402143316 is about 20053.5113134832. The cubic root of 402143316 is about 738.1199634600.

The spelling of 402143316 in words is "four hundred two million, one hundred forty-three thousand, three hundred sixteen".