540262343402 has 4 divisors (see below), whose sum is σ = 810393515106. Its totient is φ = 270131171700.

The previous prime is 540262343381. The next prime is 540262343417. The reversal of 540262343402 is 204343262045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 450118886281 + 90143457121 = 670909^2 + 300239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135065585849 + ... + 135065585852.

Almost surely, 2^540262343402 is an apocalyptic number.

540262343402 is a deficient number, since it is larger than the sum of its proper divisors (270131171704).

540262343402 is a wasteful number, since it uses less digits than its factorization.

540262343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270131171703.

The product of its (nonzero) digits is 138240, while the sum is 35.

The spelling of 540262343402 in words is "five hundred forty billion, two hundred sixty-two million, three hundred forty-three thousand, four hundred two".