42402802084491 has 8 divisors (see below), whose sum is σ = 56537192977920. Its totient is φ = 28268472957032.

The previous prime is 42402802084463. The next prime is 42402802084547. The reversal of 42402802084491 is 19448020820424.

42402802084491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42402802084491 - 2⁹ = 42402802083979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42402802084491.

It is not an unprimeable number, because it can be changed into a prime (42402802084411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13815171 + ... + 16603148.

It is an arithmetic number, because the mean of its divisors is an integer number (7067149122240).

Almost surely, 2^{42402802084491} is an apocalyptic number.

42402802084491 is a deficient number, since it is larger than the sum of its proper divisors (14134390893429).

42402802084491 is a wasteful number, since it uses less digits than its factorization.

42402802084491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30882985.

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 42402802084491 in words is "forty-two trillion, four hundred two billion, eight hundred two million, eighty-four thousand, four hundred ninety-one".