42020040396 has 12 divisors (see below), whose sum is σ = 98046760952. Its totient is φ = 14006680128.

The previous prime is 42020040389. The next prime is 42020040397. The reversal of 42020040396 is 69304002024.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42020040397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1750835005 + ... + 1750835028.

Almost surely, 2^42020040396 is an apocalyptic number.

It is an amenable number.

42020040396 is an abundant number, since it is smaller than the sum of its proper divisors (56026720556).

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

42020040396 is a wasteful number, since it uses less digits than its factorization.

42020040396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501670040 (or 3501670038 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 42020040396 in words is "forty-two billion, twenty million, forty thousand, three hundred ninety-six".