4018143402 has 128 divisors (see below), whose sum is σ = 11014348800. Its totient is φ = 1057364928.

The previous prime is 4018143397. The next prime is 4018143407. The reversal of 4018143402 is 2043418104.

4018143402 is a `hidden beast` number, since 40 + 181 + 43 + 402 = 666.

It is an interprime number because it is at equal distance from previous prime (4018143397) and next prime (4018143407).

It is a super-2 number, since 2×4018143402² = 32290952798072267208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4018143407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3866799 + ... + 3867837.

It is an arithmetic number, because the mean of its divisors is an integer number (86049600).

Almost surely, 2^4018143402 is an apocalyptic number.

4018143402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4018143402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5507174400).

4018143402 is an abundant number, since it is smaller than the sum of its proper divisors (6996205398).

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

4018143402 is a wasteful number, since it uses less digits than its factorization.

4018143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4018143402 is about 63388.8271069910. The cubic root of 4018143402 is about 1589.7975035818.

The spelling of 4018143402 in words is "four billion, eighteen million, one hundred forty-three thousand, four hundred two".