540661602 has 16 divisors (see below), whose sum is σ = 1164502080. Its totient is φ = 166357392.

The previous prime is 540661571. The next prime is 540661609. The reversal of 540661602 is 206166045.

It is a super-4 number, since 4×540661602⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540661602.

It is not an unprimeable number, because it can be changed into a prime (540661609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3465702 + ... + 3465857.

It is an arithmetic number, because the mean of its divisors is an integer number (72781380).

Almost surely, 2^540661602 is an apocalyptic number.

540661602 is an abundant number, since it is smaller than the sum of its proper divisors (623840478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540661602 is a wasteful number, since it uses less digits than its factorization.

540661602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931577.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 540661602 is about 23252.1311281353. The cubic root of 540661602 is about 814.6577166819.

The spelling of 540661602 in words is "five hundred forty million, six hundred sixty-one thousand, six hundred two".