540097440 has 48 divisors (see below), whose sum is σ = 1701308448. Its totient is φ = 144025856.

The previous prime is 540097433. The next prime is 540097447. The reversal of 540097440 is 44790045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (540097433) and next prime (540097447).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (540097447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562122 + ... + 563081.

It is an arithmetic number, because the mean of its divisors is an integer number (35443926).

Almost surely, 2^540097440 is an apocalyptic number.

It is an amenable number.

540097440 is an abundant number, since it is smaller than the sum of its proper divisors (1161211008).

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

540097440 is a wasteful number, since it uses less digits than its factorization.

540097440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125221 (or 1125213 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 540097440 is about 23239.9965576590. The cubic root of 540097440 is about 814.3742621906.

The spelling of 540097440 in words is "five hundred forty million, ninety-seven thousand, four hundred forty".