540203503542 has 16 divisors (see below), whose sum is σ = 1080427866672. Its totient is φ = 180064357920.

The previous prime is 540203503523. The next prime is 540203503549. The reversal of 540203503542 is 245305302045.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540203503549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521809 + ... + 1163052.

It is an arithmetic number, because the mean of its divisors is an integer number (67526741667).

Almost surely, 2^540203503542 is an apocalyptic number.

540203503542 is an abundant number, since it is smaller than the sum of its proper divisors (540224363130).

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

540203503542 is a wasteful number, since it uses less digits than its factorization.

540203503542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738303.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 540203503542 its reverse (245305302045), we get a palindrome (785508805587).

The spelling of 540203503542 in words is "five hundred forty billion, two hundred three million, five hundred three thousand, five hundred forty-two".