42909000012816 has 80 divisors (see below), whose sum is σ = 130770285785088. Its totient is φ = 11864239632000.

The previous prime is 42909000012793. The next prime is 42909000012817. The reversal of 42909000012816 is 61821000090924.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (42909000012817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2059753410 + ... + 2059774241.

Almost surely, 2^{42909000012816} is an apocalyptic number.

It is an amenable number.

42909000012816 is an abundant number, since it is smaller than the sum of its proper divisors (87861285772272).

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

42909000012816 is a wasteful number, since it uses less digits than its factorization.

42909000012816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119527700 (or 4119527694 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 42909000012816 in words is "forty-two trillion, nine hundred nine billion, twelve thousand, eight hundred sixteen".