4021034340 has 96 divisors (see below), whose sum is σ = 11785245696. Its totient is φ = 1022440320.

The previous prime is 4021034333. The next prime is 4021034357. The reversal of 4021034340 is 434301204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452379 + ... + 461181.

It is an arithmetic number, because the mean of its divisors is an integer number (122762976).

Almost surely, 2^4021034340 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 4021034340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5892622848).

4021034340 is an abundant number, since it is smaller than the sum of its proper divisors (7764211356).

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

4021034340 is a wasteful number, since it uses less digits than its factorization.

4021034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9169 (or 9167 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4021034340 is about 63411.6262210645. The cubic root of 4021034340 is about 1590.1786832930.

Adding to 4021034340 its reverse (434301204), we get a palindrome (4455335544).

The spelling of 4021034340 in words is "four billion, twenty-one million, thirty-four thousand, three hundred forty".