5400390844 has 12 divisors (see below), whose sum is σ = 9464525784. Its totient is φ = 2696240624.

The previous prime is 5400390839. The next prime is 5400390847. The reversal of 5400390844 is 4480930045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400390847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985627 + ... + 991090.

It is an arithmetic number, because the mean of its divisors is an integer number (788710482).

Almost surely, 2^5400390844 is an apocalyptic number.

It is an amenable number.

5400390844 is a deficient number, since it is larger than the sum of its proper divisors (4064134940).

5400390844 is a wasteful number, since it uses less digits than its factorization.

5400390844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977404 (or 1977402 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 5400390844 is about 73487.3515919576. The cubic root of 5400390844 is about 1754.4529691210.

The spelling of 5400390844 in words is "five billion, four hundred million, three hundred ninety thousand, eight hundred forty-four".