5406540 has 48 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 1432000.

The previous prime is 5406539. The next prime is 5406553. The reversal of 5406540 is 456045.

5406540 = T₆₉ + T₇₀ + ... + T₃₁₉.

It is a self number, because there is not a number n which added to its sum of digits gives 5406540.

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 15 ways as a sum of consecutive naturals, for example, 14881 + ... + 15239.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^5406540 is an apocalyptic number.

It is an amenable number.

5406540 is an abundant number, since it is smaller than the sum of its proper divisors (9834420).

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

5406540 is a wasteful number, since it uses less digits than its factorization.

5406540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5406540 is about 2325.1967658674. The cubic root of 5406540 is about 175.5118619266.

The spelling of 5406540 in words is "five million, four hundred six thousand, five hundred forty".