3540524421 has 32 divisors (see below), whose sum is σ = 5601116160. Its totient is φ = 1946395584.

The previous prime is 3540524419. The next prime is 3540524473. The reversal of 3540524421 is 1244250453.

It is not a de Polignac number, because 3540524421 - 2¹ = 3540524419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540524521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162076 + ... + 182618.

It is an arithmetic number, because the mean of its divisors is an integer number (175034880).

Almost surely, 2^3540524421 is an apocalyptic number.

It is an amenable number.

3540524421 is a deficient number, since it is larger than the sum of its proper divisors (2060591739).

3540524421 is a wasteful number, since it uses less digits than its factorization.

3540524421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20865.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 3540524421 is about 59502.3060141370. The cubic root of 3540524421 is about 1524.1318245412.

Adding to 3540524421 its reverse (1244250453), we get a palindrome (4784774874).

The spelling of 3540524421 in words is "three billion, five hundred forty million, five hundred twenty-four thousand, four hundred twenty-one".