40420202044 has 24 divisors (see below), whose sum is σ = 71005692240. Its totient is φ = 20132918784.

The previous prime is 40420202029. The next prime is 40420202101. The reversal of 40420202044 is 44020202404.

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 7 ways as a sum of consecutive naturals, for example, 3708627 + ... + 3719509.

It is an arithmetic number, because the mean of its divisors is an integer number (2958570510).

Almost surely, 2^40420202044 is an apocalyptic number.

It is an amenable number.

40420202044 is a deficient number, since it is larger than the sum of its proper divisors (30585490196).

40420202044 is a wasteful number, since it uses less digits than its factorization.

40420202044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14349 (or 14347 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40420202044 its reverse (44020202404), we get a palindrome (84440404448).

The spelling of 40420202044 in words is "forty billion, four hundred twenty million, two hundred two thousand, forty-four".