540644662 has 4 divisors (see below), whose sum is σ = 810966996. Its totient is φ = 270322330.

The previous prime is 540644627. The next prime is 540644701. The reversal of 540644662 is 266446045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 266446045 = 5 ⋅53289209.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135161164 + ... + 135161167.

It is an arithmetic number, because the mean of its divisors is an integer number (202741749).

Almost surely, 2^540644662 is an apocalyptic number.

540644662 is a deficient number, since it is larger than the sum of its proper divisors (270322334).

540644662 is a wasteful number, since it uses less digits than its factorization.

540644662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270322333.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 540644662 is about 23251.7668575960. The cubic root of 540644662 is about 814.6492083125.

The spelling of 540644662 in words is "five hundred forty million, six hundred forty-four thousand, six hundred sixty-two".