40530342121202 has 4 divisors (see below), whose sum is σ = 60795513181806. Its totient is φ = 20265171060600.

The previous prime is 40530342121169. The next prime is 40530342121219. The reversal of 40530342121202 is 20212124303504.

40530342121202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 29172626566561 + 11357715554641 = 5401169^2 + 3370121^2 .

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, 10132585530299 + ... + 10132585530302.

Almost surely, 2^{40530342121202} is an apocalyptic number.

40530342121202 is a deficient number, since it is larger than the sum of its proper divisors (20265171060604).

40530342121202 is a wasteful number, since it uses less digits than its factorization.

40530342121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20265171060603.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 40530342121202 its reverse (20212124303504), we get a palindrome (60742466424706).

The spelling of 40530342121202 in words is "forty trillion, five hundred thirty billion, three hundred forty-two million, one hundred twenty-one thousand, two hundred two".