540510402 has 16 divisors (see below), whose sum is σ = 1082947680. Its totient is φ = 179848992.

The previous prime is 540510401. The next prime is 540510403. The reversal of 540510402 is 204015045.

It is an interprime number because it is at equal distance from previous prime (540510401) and next prime (540510403).

It is not an unprimeable number, because it can be changed into a prime (540510401) 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, 76627 + ... + 83382.

It is an arithmetic number, because the mean of its divisors is an integer number (67684230).

Almost surely, 2^540510402 is an apocalyptic number.

540510402 is an abundant number, since it is smaller than the sum of its proper divisors (542437278).

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

540510402 is a wasteful number, since it uses less digits than its factorization.

540510402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160577.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 540510402 is about 23248.8795859069. The cubic root of 540510402 is about 814.5817679243.

Adding to 540510402 its reverse (204015045), we get a palindrome (744525447).

The spelling of 540510402 in words is "five hundred forty million, five hundred ten thousand, four hundred two".