4133542420 has 48 divisors (see below), whose sum is σ = 9940871808. Its totient is φ = 1414304640.

The previous prime is 4133542409. The next prime is 4133542423. The reversal of 4133542420 is 242453314.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4133542423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38674 + ... + 98806.

It is an arithmetic number, because the mean of its divisors is an integer number (207101496).

Almost surely, 2^4133542420 is an apocalyptic number.

It is an amenable number.

4133542420 is an abundant number, since it is smaller than the sum of its proper divisors (5807329388).

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

4133542420 is a wasteful number, since it uses less digits than its factorization.

4133542420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60640 (or 60638 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4133542420 is about 64292.6311485228. The cubic root of 4133542420 is about 1604.8734766320.

Adding to 4133542420 its reverse (242453314), we get a palindrome (4375995734).

The spelling of 4133542420 in words is "four billion, one hundred thirty-three million, five hundred forty-two thousand, four hundred twenty".