548405504845 has 32 divisors (see below), whose sum is σ = 736204619520. Its totient is φ = 388804416000.

The previous prime is 548405504839. The next prime is 548405504891.

548405504845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 548405504845 - 2¹⁷ = 548405373773 is a prime.

It is a super-4 number, since 4×548405504845⁴ (a number of 48 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 548405504792 and 548405504801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441426 + ... + 1136515.

It is an arithmetic number, because the mean of its divisors is an integer number (23006394360).

Almost surely, 2^548405504845 is an apocalyptic number.

548405504845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

548405504845 is a deficient number, since it is larger than the sum of its proper divisors (187799114675).

548405504845 is a wasteful number, since it uses less digits than its factorization.

548405504845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578117.

The product of its (nonzero) digits is 10240000, while the sum is 52.

The spelling of 548405504845 in words is "five hundred forty-eight billion, four hundred five million, five hundred four thousand, eight hundred forty-five".