4043037492 has 72 divisors (see below), whose sum is σ = 11037676104. Its totient is φ = 1240436736.

The previous prime is 4043037491. The next prime is 4043037521. The reversal of 4043037492 is 2947303404.

It can be written as a sum of positive squares in 4 ways, for example, as 362673936 + 3680363556 = 19044^2 + 60666^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043037491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152968 + ... + 177440.

It is an arithmetic number, because the mean of its divisors is an integer number (153301057).

Almost surely, 2^4043037492 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 4043037492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5518838052).

4043037492 is an abundant number, since it is smaller than the sum of its proper divisors (6994638612).

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

4043037492 is a wasteful number, since it uses less digits than its factorization.

4043037492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24849 (or 24844 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 4043037492 is about 63584.8841470990. The cubic root of 4043037492 is about 1593.0739015915.

The spelling of 4043037492 in words is "four billion, forty-three million, thirty-seven thousand, four hundred ninety-two".