42196578990 has 32 divisors (see below), whose sum is σ = 102044866176. Its totient is φ = 11166523680.

The previous prime is 42196578961. The next prime is 42196579027. The reversal of 42196578990 is 9987569124.

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 15 ways as a sum of consecutive naturals, for example, 5364592 + ... + 5372451.

It is an arithmetic number, because the mean of its divisors is an integer number (3188902068).

Almost surely, 2^42196578990 is an apocalyptic number.

42196578990 is an abundant number, since it is smaller than the sum of its proper divisors (59848287186).

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

42196578990 is a wasteful number, since it uses less digits than its factorization.

42196578990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737184.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 42196578990 in words is "forty-two billion, one hundred ninety-six million, five hundred seventy-eight thousand, nine hundred ninety".