541780646 has 12 divisors (see below), whose sum is σ = 893266836. Its totient is φ = 246263820.

The previous prime is 541780637. The next prime is 541780727. The reversal of 541780646 is 646087145.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1119140 + ... + 1119623.

It is an arithmetic number, because the mean of its divisors is an integer number (74438903).

Almost surely, 2^541780646 is an apocalyptic number.

541780646 is a deficient number, since it is larger than the sum of its proper divisors (351486190).

541780646 is a wasteful number, since it uses less digits than its factorization.

541780646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238787 (or 2238776 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 541780646 is about 23276.1819463588. The cubic root of 541780646 is about 815.2193801384.

It can be divided in two parts, 541 and 780646, that added together give a palindrome (781187).

The spelling of 541780646 in words is "five hundred forty-one million, seven hundred eighty thousand, six hundred forty-six".