4018190652 has 144 divisors (see below), whose sum is σ = 12746522880. Its totient is φ = 1080490752.

The previous prime is 4018190621. The next prime is 4018190663. The reversal of 4018190652 is 2560918104.

4018190652 is a `hidden beast` number, since 401 + 8 + 190 + 65 + 2 = 666.

It is a super-2 number, since 2×4018190652² = 32291712231640370208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98299 + ... + 133037.

It is an arithmetic number, because the mean of its divisors is an integer number (88517520).

Almost surely, 2^4018190652 is an apocalyptic number.

4018190652 is a gapful number since it is divisible by the number (42) 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 4018190652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6373261440).

4018190652 is an abundant number, since it is smaller than the sum of its proper divisors (8728332228).

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

4018190652 is a wasteful number, since it uses less digits than its factorization.

4018190652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34782 (or 34768 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 4018190652 is about 63389.1998056451. The cubic root of 4018190652 is about 1589.8037351196.

The spelling of 4018190652 in words is "four billion, eighteen million, one hundred ninety thousand, six hundred fifty-two".