540842401 has 8 divisors (see below), whose sum is σ = 615662784. Its totient is φ = 470297520.

The previous prime is 540842383. The next prime is 540842417. The reversal of 540842401 is 104248045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540842401 - 2⁷ = 540842273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540842401.

It is not an unprimeable number, because it can be changed into a prime (540842441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068606 + ... + 1069111.

It is an arithmetic number, because the mean of its divisors is an integer number (76957848).

Almost surely, 2^540842401 is an apocalyptic number.

It is an amenable number.

540842401 is a deficient number, since it is larger than the sum of its proper divisors (74820383).

540842401 is a wasteful number, since it uses less digits than its factorization.

540842401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137751.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 540842401 is about 23256.0185973438. The cubic root of 540842401 is about 814.7485146259.

The spelling of 540842401 in words is "five hundred forty million, eight hundred forty-two thousand, four hundred one".