540487815402 has 16 divisors (see below), whose sum is σ = 1144562432832. Its totient is φ = 169564804800.

The previous prime is 540487815401. The next prime is 540487815403. The reversal of 540487815402 is 204518784045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (540487815401) and next prime (540487815403).

It is not an unprimeable number, because it can be changed into a prime (540487815401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2649449974 + ... + 2649450177.

It is an arithmetic number, because the mean of its divisors is an integer number (71535152052).

Almost surely, 2^540487815402 is an apocalyptic number.

540487815402 is an abundant number, since it is smaller than the sum of its proper divisors (604074617430).

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

540487815402 is a wasteful number, since it uses less digits than its factorization.

540487815402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298900173.

The product of its (nonzero) digits is 1433600, while the sum is 48.

The spelling of 540487815402 in words is "five hundred forty billion, four hundred eighty-seven million, eight hundred fifteen thousand, four hundred two".