40420200420244 has 48 divisors (see below), whose sum is σ = 73476127468800. Its totient is φ = 19443594208896.

The previous prime is 40420200420211. The next prime is 40420200420269. The reversal of 40420200420244 is 44202400202404.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 895717 + ... + 9035635.

It is an arithmetic number, because the mean of its divisors is an integer number (1530752655600).

Almost surely, 2^{40420200420244} is an apocalyptic number.

It is an amenable number.

40420200420244 is a deficient number, since it is larger than the sum of its proper divisors (33055927048556).

40420200420244 is a wasteful number, since it uses less digits than its factorization.

40420200420244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140432 (or 8140430 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40420200420244 its reverse (44202400202404), we get a palindrome (84622600622648).

The spelling of 40420200420244 in words is "forty trillion, four hundred twenty billion, two hundred million, four hundred twenty thousand, two hundred forty-four".