541618326 has 96 divisors (see below), whose sum is σ = 1276853760. Its totient is φ = 171841824.

The previous prime is 541618309. The next prime is 541618327. The reversal of 541618326 is 623816145.

It is a happy number.

541618326 is a `hidden beast` number, since 5 + 4 + 1 + 618 + 32 + 6 = 666.

It is a super-2 number, since 2×541618326² = 586700822118084552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541618327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1169571 + ... + 1170033.

It is an arithmetic number, because the mean of its divisors is an integer number (13300560).

Almost surely, 2^541618326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541618326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638426880).

541618326 is an abundant number, since it is smaller than the sum of its proper divisors (735235434).

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

541618326 is a wasteful number, since it uses less digits than its factorization.

541618326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 580 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 541618326 is about 23272.6948589973. The cubic root of 541618326 is about 815.1379575011.

The spelling of 541618326 in words is "five hundred forty-one million, six hundred eighteen thousand, three hundred twenty-six".