4201542436 has 72 divisors (see below), whose sum is σ = 9278122560. Its totient is φ = 1650051648.

The previous prime is 4201542431. The next prime is 4201542439. The reversal of 4201542436 is 6342451024.

It is a junction number, because it is equal to n+sod(n) for n = 4201542398 and 4201542407.

It is not an unprimeable number, because it can be changed into a prime (4201542431) 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, 348241 + ... + 360103.

Almost surely, 2^4201542436 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 4201542436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4639061280).

4201542436 is an abundant number, since it is smaller than the sum of its proper divisors (5076580124).

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

4201542436 is a wasteful number, since it uses less digits than its factorization.

4201542436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033 (or 12024 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 4201542436 is about 64819.3060438015. The cubic root of 4201542436 is about 1613.6261306154.

The spelling of 4201542436 in words is "four billion, two hundred one million, five hundred forty-two thousand, four hundred thirty-six".