4021354506 has 16 divisors (see below), whose sum is σ = 8661379104. Its totient is φ = 1237339824.

The previous prime is 4021354483. The next prime is 4021354507. The reversal of 4021354506 is 6054531204.

It is not an unprimeable number, because it can be changed into a prime (4021354507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25777836 + ... + 25777991.

It is an arithmetic number, because the mean of its divisors is an integer number (541336194).

Almost surely, 2^4021354506 is an apocalyptic number.

4021354506 is an abundant number, since it is smaller than the sum of its proper divisors (4640024598).

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

4021354506 is a wasteful number, since it uses less digits than its factorization.

4021354506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51555845.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 4021354506 is about 63414.1506763278. The cubic root of 4021354506 is about 1590.2208869976.

The spelling of 4021354506 in words is "four billion, twenty-one million, three hundred fifty-four thousand, five hundred six".