42884428850561 has 8 divisors (see below), whose sum is σ = 44815068172224. Its totient is φ = 40959297773680.

The previous prime is 42884428850533. The next prime is 42884428850567. The reversal of 42884428850561 is 16505882448824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42884428850561 - 2²² = 42884424656257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42884428850567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377045275 + ... + 1377076416.

It is an arithmetic number, because the mean of its divisors is an integer number (5601883521528).

Almost surely, 2^{42884428850561} is an apocalyptic number.

It is an amenable number.

42884428850561 is a deficient number, since it is larger than the sum of its proper divisors (1930639321663).

42884428850561 is a wasteful number, since it uses less digits than its factorization.

42884428850561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754122391.

The product of its (nonzero) digits is 157286400, while the sum is 65.

The spelling of 42884428850561 in words is "forty-two trillion, eight hundred eighty-four billion, four hundred twenty-eight million, eight hundred fifty thousand, five hundred sixty-one".