541655478 has 192 divisors, whose sum is σ = 1524902400. Its totient is φ = 139501440.

The previous prime is 541655461. The next prime is 541655483. The reversal of 541655478 is 874556145.

541655478 is a `hidden beast` number, since 5 + 41 + 65 + 547 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3896733 + ... + 3896871.

It is an arithmetic number, because the mean of its divisors is an integer number (7942200).

Almost surely, 2^541655478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541655478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762451200).

541655478 is an abundant number, since it is smaller than the sum of its proper divisors (983246922).

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

541655478 is a wasteful number, since it uses less digits than its factorization.

541655478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 225 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 541655478 is about 23273.4930339217. The cubic root of 541655478 is about 815.1565950493.

The spelling of 541655478 in words is "five hundred forty-one million, six hundred fifty-five thousand, four hundred seventy-eight".