40421444234402 has 32 divisors (see below), whose sum is σ = 75662893670400. Its totient is φ = 15734126425680.

The previous prime is 40421444234389. The next prime is 40421444234407. The reversal of 40421444234402 is 20443244412404.

It is not an unprimeable number, because it can be changed into a prime (40421444234407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120567152 + ... + 120901947.

It is an arithmetic number, because the mean of its divisors is an integer number (2364465427200).

Almost surely, 2^{40421444234402} is an apocalyptic number.

40421444234402 is a deficient number, since it is larger than the sum of its proper divisors (35241449435998).

40421444234402 is a wasteful number, since it uses less digits than its factorization.

40421444234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241470206.

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 40421444234402 its reverse (20443244412404), we get a palindrome (60864688646806).

The spelling of 40421444234402 in words is "forty trillion, four hundred twenty-one billion, four hundred forty-four million, two hundred thirty-four thousand, four hundred two".