540389782 has 8 divisors (see below), whose sum is σ = 813667536. Its totient is φ = 269167272.

The previous prime is 540389767. The next prime is 540389827. The reversal of 540389782 is 287983045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×540389782² = 584042232980015048, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 513153 + ... + 514204.

It is an arithmetic number, because the mean of its divisors is an integer number (101708442).

Almost surely, 2^540389782 is an apocalyptic number.

540389782 is a deficient number, since it is larger than the sum of its proper divisors (273277754).

540389782 is a wasteful number, since it uses less digits than its factorization.

540389782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027622.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 540389782 is about 23246.2853376620. The cubic root of 540389782 is about 814.5211695453.

The spelling of 540389782 in words is "five hundred forty million, three hundred eighty-nine thousand, seven hundred eighty-two".