3240251143442 has 4 divisors (see below), whose sum is σ = 4860376715166. Its totient is φ = 1620125571720.

The previous prime is 3240251143427. The next prime is 3240251143447. The reversal of 3240251143442 is 2443411520423.

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., 1801256567881 + 1438994575561 = 1342109^2 + 1199581^2 .

It is not an unprimeable number, because it can be changed into a prime (3240251143447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810062785859 + ... + 810062785862.

Almost surely, 2^{3240251143442} is an apocalyptic number.

3240251143442 is a deficient number, since it is larger than the sum of its proper divisors (1620125571724).

3240251143442 is a wasteful number, since it uses less digits than its factorization.

3240251143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620125571723.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 3240251143442 its reverse (2443411520423), we get a palindrome (5683662663865).

The spelling of 3240251143442 in words is "three trillion, two hundred forty billion, two hundred fifty-one million, one hundred forty-three thousand, four hundred forty-two".