540771431 has 8 divisors (see below), whose sum is σ = 544842480. Its totient is φ = 536715648.

The previous prime is 540771421. The next prime is 540771437. The reversal of 540771431 is 134177045.

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

It is a cyclic number.

It is not a de Polignac number, because 540771431 - 2⁶ = 540771367 is a prime.

It is a super-2 number, since 2×540771431² = 584867481171575522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540771437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 72965 + ... + 80033.

It is an arithmetic number, because the mean of its divisors is an integer number (68105310).

Almost surely, 2^540771431 is an apocalyptic number.

540771431 is a deficient number, since it is larger than the sum of its proper divisors (4071049).

540771431 is a wasteful number, since it uses less digits than its factorization.

540771431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 540771431 is about 23254.4927057117. The cubic root of 540771431 is about 814.7128756355.

The spelling of 540771431 in words is "five hundred forty million, seven hundred seventy-one thousand, four hundred thirty-one".