40202020022040 has 80 divisors (see below), whose sum is σ = 135123456196080. Its totient is φ = 10720538671680.

The previous prime is 40202020022039. The next prime is 40202020022051. The reversal of 40202020022040 is 4022002020204.

40202020022040 is a `hidden beast` number, since 4 + 0 + 202 + 0 + 200 + 220 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 19 ways as a sum of consecutive naturals, for example, 6204012196 + ... + 6204018675.

It is an arithmetic number, because the mean of its divisors is an integer number (1689043202451).

Almost surely, 2^{40202020022040} is an apocalyptic number.

40202020022040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40202020022040 is an abundant number, since it is smaller than the sum of its proper divisors (94921436174040).

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

40202020022040 is a wasteful number, since it uses less digits than its factorization.

40202020022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12408030894 (or 12408030881 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 40202020022040 its reverse (4022002020204), we get a palindrome (44224022042244).

The spelling of 40202020022040 in words is "forty trillion, two hundred two billion, twenty million, twenty-two thousand, forty".