5403985315638 has 64 divisors (see below), whose sum is σ = 13303725980160. Its totient is φ = 1425054580992.

The previous prime is 5403985315633. The next prime is 5403985315657. The reversal of 5403985315638 is 8365135893045.

It is a super-2 number, since 2×5403985315638² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5403985315633) 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 31 ways as a sum of consecutive naturals, for example, 3953481 + ... + 5141787.

It is an arithmetic number, because the mean of its divisors is an integer number (207870718440).

Almost surely, 2^{5403985315638} is an apocalyptic number.

5403985315638 is an abundant number, since it is smaller than the sum of its proper divisors (7899740664522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5403985315638 is a wasteful number, since it uses less digits than its factorization.

5403985315638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196661.

The product of its (nonzero) digits is 46656000, while the sum is 60.

The spelling of 5403985315638 in words is "five trillion, four hundred three billion, nine hundred eighty-five million, three hundred fifteen thousand, six hundred thirty-eight".