5403818685440 has 352 divisors, whose sum is σ = 16132181011200. Its totient is φ = 1694694113280.

The previous prime is 5403818685389. The next prime is 5403818685487. The reversal of 5403818685440 is 445868183045.

It is a super-2 number, since 2×5403818685440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19611020 + ... + 19884660.

Almost surely, 2^{5403818685440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5403818685440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8066090505600).

5403818685440 is an abundant number, since it is smaller than the sum of its proper divisors (10728362325760).

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

5403818685440 is a wasteful number, since it uses less digits than its factorization.

5403818685440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273721 (or 273703 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 56.

The spelling of 5403818685440 in words is "five trillion, four hundred three billion, eight hundred eighteen million, six hundred eighty-five thousand, four hundred forty".