40020224020442 has 16 divisors (see below), whose sum is σ = 60061167838440. Its totient is φ = 19999836261888.

The previous prime is 40020224020397. The next prime is 40020224020489. The reversal of 40020224020442 is 24402042202004.

It can be written as a sum of positive squares in 4 ways, for example, as 23373734260321 + 16646489760121 = 4834639^2 + 4080011^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53220098 + ... + 53966834.

Almost surely, 2^{40020224020442} is an apocalyptic number.

40020224020442 is a deficient number, since it is larger than the sum of its proper divisors (20040943817998).

40020224020442 is a wasteful number, since it uses less digits than its factorization.

40020224020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760465.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40020224020442 its reverse (24402042202004), we get a palindrome (64422266222446).

The spelling of 40020224020442 in words is "forty trillion, twenty billion, two hundred twenty-four million, twenty thousand, four hundred forty-two".