40042200202040 has 32 divisors (see below), whose sum is σ = 94836789954000. Its totient is φ = 15173886392064.

The previous prime is 40042200201859. The next prime is 40042200202093. The reversal of 40042200202040 is 4020200224004.

40042200202040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 26343552005 + ... + 26343553524.

Almost surely, 2^{40042200202040} is an apocalyptic number.

40042200202040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40042200202040 is an abundant number, since it is smaller than the sum of its proper divisors (54794589751960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40042200202040 is a wasteful number, since it uses less digits than its factorization.

40042200202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52687105559 (or 52687105555 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40042200202040 its reverse (4020200224004), we get a palindrome (44062400426044).

The spelling of 40042200202040 in words is "forty trillion, forty-two billion, two hundred million, two hundred two thousand, forty".