545456040 has 128 divisors (see below), whose sum is σ = 1724405760. Its totient is φ = 137755904.

The previous prime is 545456039. The next prime is 545456057. The reversal of 545456040 is 40654545.

It is a junction number, because it is equal to n+sod(n) for n = 545455992 and 545456010.

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, 294397 + ... + 296243.

It is an arithmetic number, because the mean of its divisors is an integer number (13471920).

Almost surely, 2^545456040 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 545456040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862202880).

545456040 is an abundant number, since it is smaller than the sum of its proper divisors (1178949720).

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

545456040 is a wasteful number, since it uses less digits than its factorization.

545456040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 545456040 is about 23355.0003211304. Note that the first 3 decimals coincide. The cubic root of 545456040 is about 817.0586868888.

The spelling of 545456040 in words is "five hundred forty-five million, four hundred fifty-six thousand, forty".