5432521240 has 16 divisors (see below), whose sum is σ = 12223172880. Its totient is φ = 2173008480.

The previous prime is 5432521231. The next prime is 5432521243. The reversal of 5432521240 is 421252345.

It is a super-2 number, since 2×5432521240² = 59024574046102275200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5432521199 and 5432521208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5432521243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67906476 + ... + 67906555.

It is an arithmetic number, because the mean of its divisors is an integer number (763948305).

Almost surely, 2^5432521240 is an apocalyptic number.

It is an amenable number.

5432521240 is an abundant number, since it is smaller than the sum of its proper divisors (6790651640).

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

5432521240 is a wasteful number, since it uses less digits than its factorization.

5432521240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135813042 (or 135813038 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 5432521240 is about 73705.6391329727. The cubic root of 5432521240 is about 1757.9255474368.

Adding to 5432521240 its reverse (421252345), we get a palindrome (5853773585).

The spelling of 5432521240 in words is "five billion, four hundred thirty-two million, five hundred twenty-one thousand, two hundred forty".