4021492176 has 120 divisors (see below), whose sum is σ = 12538442280. Its totient is φ = 1194697728.

The previous prime is 4021492169. The next prime is 4021492193. The reversal of 4021492176 is 6712941204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17640000 + 4003852176 = 4200^2 + 63276^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4021492176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17250 + ... + 91326.

It is an arithmetic number, because the mean of its divisors is an integer number (104487019).

Almost surely, 2^4021492176 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 4021492176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6269221140).

4021492176 is an abundant number, since it is smaller than the sum of its proper divisors (8516950104).

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

4021492176 is a wasteful number, since it uses less digits than its factorization.

4021492176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74133 (or 74124 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4021492176 is about 63415.2361503133. The cubic root of 4021492176 is about 1590.2390337200.

The spelling of 4021492176 in words is "four billion, twenty-one million, four hundred ninety-two thousand, one hundred seventy-six".