540746090 has 16 divisors (see below), whose sum is σ = 989300520. Its totient is φ = 212752320.

The previous prime is 540746071. The next prime is 540746119. The reversal of 540746090 is 90647045.

It can be written as a sum of positive squares in 4 ways, for example, as 358307041 + 182439049 = 18929^2 + 13507^2 .

It is a super-3 number, since 3×540746090³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540746090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442625 + ... + 443844.

Almost surely, 2^540746090 is an apocalyptic number.

540746090 is a deficient number, since it is larger than the sum of its proper divisors (448554430).

540746090 is a wasteful number, since it uses less digits than its factorization.

540746090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886537.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 540746090 is about 23253.9478368728. The cubic root of 540746090 is about 814.7001493952.

The spelling of 540746090 in words is "five hundred forty million, seven hundred forty-six thousand, ninety".