5405081438 has 8 divisors (see below), whose sum is σ = 8118334632. Its totient is φ = 2698969896.

The previous prime is 5405081431. The next prime is 5405081447. The reversal of 5405081438 is 8341805045.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405081431) 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 3 ways as a sum of consecutive naturals, for example, 1783520 + ... + 1786547.

It is an arithmetic number, because the mean of its divisors is an integer number (1014791829).

Almost surely, 2^5405081438 is an apocalyptic number.

5405081438 is a deficient number, since it is larger than the sum of its proper divisors (2713253194).

5405081438 is a wasteful number, since it uses less digits than its factorization.

5405081438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570826.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 5405081438 is about 73519.2589598127. The cubic root of 5405081438 is about 1754.9607746581.

The spelling of 5405081438 in words is "five billion, four hundred five million, eighty-one thousand, four hundred thirty-eight".