540208415 has 8 divisors (see below), whose sum is σ = 664061328. Its totient is φ = 421625920.

The previous prime is 540208397. The next prime is 540208421. The reversal of 540208415 is 514802045.

540208415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 540208415 - 2¹⁴ = 540192031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317377 + ... + 1317786.

It is an arithmetic number, because the mean of its divisors is an integer number (83007666).

Almost surely, 2^540208415 is an apocalyptic number.

540208415 is a deficient number, since it is larger than the sum of its proper divisors (123852913).

540208415 is a wasteful number, since it uses less digits than its factorization.

540208415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635209.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 540208415 is about 23242.3840214381. The cubic root of 540208415 is about 814.4300354566.

Subtracting from 540208415 its product of nonzero digits (6400), we obtain a triangular number (540202015 = T₃₂₈₆₉).

The spelling of 540208415 in words is "five hundred forty million, two hundred eight thousand, four hundred fifteen".