4211545140 has 72 divisors (see below), whose sum is σ = 13936392288. Its totient is φ = 1020980160.

The previous prime is 4211545003. The next prime is 4211545141. The reversal of 4211545140 is 415451124.

4211545140 is a `hidden beast` number, since 421 + 154 + 51 + 40 = 666.

It is a super-2 number, since 2×4211545140² = 35474224932515239200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4211545141) 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, 1061542 + ... + 1065501.

It is an arithmetic number, because the mean of its divisors is an integer number (193561004).

Almost surely, 2^4211545140 is an apocalyptic number.

It is an amenable number.

4211545140 is an abundant number, since it is smaller than the sum of its proper divisors (9724847148).

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

4211545140 is a wasteful number, since it uses less digits than its factorization.

4211545140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127069 (or 2127064 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4211545140 is about 64896.4185452479. The cubic root of 4211545140 is about 1614.9056474382.

Adding to 4211545140 its reverse (415451124), we get a palindrome (4626996264).

The spelling of 4211545140 in words is "four billion, two hundred eleven million, five hundred forty-five thousand, one hundred forty".