540403311554 has 4 divisors (see below), whose sum is σ = 810604967334. Its totient is φ = 270201655776.

The previous prime is 540403311533. The next prime is 540403311557. The reversal of 540403311554 is 455113304045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 403078963225 + 137324348329 = 634885^2 + 370573^2 .

It is not an unprimeable number, because it can be changed into a prime (540403311557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135100827887 + ... + 135100827890.

Almost surely, 2^540403311554 is an apocalyptic number.

540403311554 is a deficient number, since it is larger than the sum of its proper divisors (270201655780).

540403311554 is a wasteful number, since it uses less digits than its factorization.

540403311554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270201655779.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 540403311554 its reverse (455113304045), we get a palindrome (995516615599).

The spelling of 540403311554 in words is "five hundred forty billion, four hundred three million, three hundred eleven thousand, five hundred fifty-four".