4243515540 has 96 divisors (see below), whose sum is σ = 13088065536. Its totient is φ = 1018727040.

The previous prime is 4243515491. The next prime is 4243515547. The reversal of 4243515540 is 455153424.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243515547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36769 + ... + 99191.

It is an arithmetic number, because the mean of its divisors is an integer number (136334016).

Almost surely, 2^4243515540 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 4243515540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6544032768).

4243515540 is an abundant number, since it is smaller than the sum of its proper divisors (8844549996).

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

4243515540 is a wasteful number, since it uses less digits than its factorization.

4243515540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62549 (or 62547 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 4243515540 is about 65142.2715293226. The cubic root of 4243515540 is about 1618.9816721634.

Adding to 4243515540 its reverse (455153424), we get a palindrome (4698668964).

It can be divided in two parts, 42435 and 15540, that added together give a palindrome (57975).

The spelling of 4243515540 in words is "four billion, two hundred forty-three million, five hundred fifteen thousand, five hundred forty".