5440925421 has 6 divisors (see below), whose sum is σ = 7859114510. Its totient is φ = 3627283608.

The previous prime is 5440925419. The next prime is 5440925489. The reversal of 5440925421 is 1245290445.

It is a happy number.

5440925421 is a `hidden beast` number, since 544 + 0 + 92 + 5 + 4 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4400862921 + 1040062500 = 66339^2 + 32250^2 .

It is not a de Polignac number, because 5440925421 - 2¹ = 5440925419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440925401) 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 5 ways as a sum of consecutive naturals, for example, 302273626 + ... + 302273643.

Almost surely, 2^5440925421 is an apocalyptic number.

It is an amenable number.

5440925421 is a deficient number, since it is larger than the sum of its proper divisors (2418189089).

5440925421 is a wasteful number, since it uses less digits than its factorization.

5440925421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604547275 (or 604547272 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 5440925421 is about 73762.6288916007. The cubic root of 5440925421 is about 1758.8315916036.

The spelling of 5440925421 in words is "five billion, four hundred forty million, nine hundred twenty-five thousand, four hundred twenty-one".