5440521406 has 8 divisors (see below), whose sum is σ = 8252476560. Its totient is φ = 2689695888.

The previous prime is 5440521371. The next prime is 5440521409. The reversal of 5440521406 is 6041250445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440521409) 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, 15282186 + ... + 15282541.

It is an arithmetic number, because the mean of its divisors is an integer number (1031559570).

Almost surely, 2^5440521406 is an apocalyptic number.

5440521406 is a deficient number, since it is larger than the sum of its proper divisors (2811955154).

5440521406 is a wasteful number, since it uses less digits than its factorization.

5440521406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30564818.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 5440521406 is about 73759.8902249725. The cubic root of 5440521406 is about 1758.7880566116.

The spelling of 5440521406 in words is "five billion, four hundred forty million, five hundred twenty-one thousand, four hundred six".