4201491492 has 144 divisors (see below), whose sum is σ = 12148799040. Its totient is φ = 1245312000.

The previous prime is 4201491491. The next prime is 4201491587. The reversal of 4201491492 is 2941941024.

4201491492 is a `hidden beast` number, since 4 + 20 + 149 + 1 + 492 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (4201491491) by changing a digit.

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, 2623492 + ... + 2625092.

It is an arithmetic number, because the mean of its divisors is an integer number (84366660).

Almost surely, 2^4201491492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4201491492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6074399520).

4201491492 is an abundant number, since it is smaller than the sum of its proper divisors (7947307548).

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

4201491492 is a wasteful number, since it uses less digits than its factorization.

4201491492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4201491492 is about 64818.9130732690. The cubic root of 4201491492 is about 1613.6196088119.

The spelling of 4201491492 in words is "four billion, two hundred one million, four hundred ninety-one thousand, four hundred ninety-two".