262420402042 has 4 divisors (see below), whose sum is σ = 393630603066. Its totient is φ = 131210201020.

The previous prime is 262420402003. The next prime is 262420402061. The reversal of 262420402042 is 240204024262.

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., 224515816561 + 37904585481 = 473831^2 + 194691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 262420402042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65605100509 + ... + 65605100512.

Almost surely, 2^262420402042 is an apocalyptic number.

262420402042 is a deficient number, since it is larger than the sum of its proper divisors (131210201024).

262420402042 is a wasteful number, since it uses less digits than its factorization.

262420402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131210201023.

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 262420402042 in words is "two hundred sixty-two billion, four hundred twenty million, four hundred two thousand, forty-two".