40340100422020 has 48 divisors (see below), whose sum is σ = 96817713850368. Its totient is φ = 13830681168000.

The previous prime is 40340100421963. The next prime is 40340100422047. The reversal of 40340100422020 is 2022400104304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40340100421982 and 40340100422000.

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, 7186794 + ... + 11503486.

It is an arithmetic number, because the mean of its divisors is an integer number (2017035705216).

Almost surely, 2^{40340100422020} is an apocalyptic number.

It is an amenable number.

40340100422020 is an abundant number, since it is smaller than the sum of its proper divisors (56477613428348).

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

40340100422020 is a wasteful number, since it uses less digits than its factorization.

40340100422020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383460 (or 4383458 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40340100422020 its reverse (2022400104304), we get a palindrome (42362500526324).

The spelling of 40340100422020 in words is "forty trillion, three hundred forty billion, one hundred million, four hundred twenty-two thousand, twenty".