4201203540 has 96 divisors (see below), whose sum is σ = 12538278144. Its totient is φ = 1047398400.

The previous prime is 4201203527. The next prime is 4201203541. The reversal of 4201203540 is 453021024.

It is a super-2 number, since 2×4201203540² = 35300222369017063200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201203541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140382 + ... + 167658.

It is an arithmetic number, because the mean of its divisors is an integer number (130607064).

Almost surely, 2^4201203540 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 4201203540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6269139072).

4201203540 is an abundant number, since it is smaller than the sum of its proper divisors (8337074604).

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

4201203540 is a wasteful number, since it uses less digits than its factorization.

4201203540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27457 (or 27455 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4201203540 is about 64816.6918316571. The cubic root of 4201203540 is about 1613.5827444738.

Adding to 4201203540 its reverse (453021024), we get a palindrome (4654224564).

It can be divided in two parts, 420120 and 3540, that added together give a triangular number (423660 = T₉₂₀).

The spelling of 4201203540 in words is "four billion, two hundred one million, two hundred three thousand, five hundred forty".