540404208 has 30 divisors (see below), whose sum is σ = 1512381624. Its totient is φ = 180134688.

The previous prime is 540404141. The next prime is 540404243. The reversal of 540404208 is 802404045.

540404208 is a `hidden beast` number, since 54 + 0 + 404 + 208 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1876260 + ... + 1876547.

Almost surely, 2^540404208 is an apocalyptic number.

It is an amenable number.

540404208 is an abundant number, since it is smaller than the sum of its proper divisors (971977416).

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

540404208 is a wasteful number, since it uses less digits than its factorization.

540404208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752821 (or 3752812 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 540404208 is about 23246.5956217249. The cubic root of 540404208 is about 814.5284175097.

The spelling of 540404208 in words is "five hundred forty million, four hundred four thousand, two hundred eight".