5408353656 has 96 divisors (see below), whose sum is σ = 14830143120. Its totient is φ = 1780416000.

The previous prime is 5408353519. The next prime is 5408353669. The reversal of 5408353656 is 6563538045.

5408353656 is a `hidden beast` number, since 540 + 8 + 3 + 53 + 6 + 56 = 666.

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 23 ways as a sum of consecutive naturals, for example, 4093476 + ... + 4094796.

Almost surely, 2^5408353656 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 5408353656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7415071560).

5408353656 is an abundant number, since it is smaller than the sum of its proper divisors (9421789464).

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

5408353656 is a wasteful number, since it uses less digits than its factorization.

5408353656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The square root of 5408353656 is about 73541.5097478968. The cubic root of 5408353656 is about 1755.3148523187.

The spelling of 5408353656 in words is "five billion, four hundred eight million, three hundred fifty-three thousand, six hundred fifty-six".