42010454021 has 8 divisors (see below), whose sum is σ = 42602976000. Its totient is φ = 41419450800.

The previous prime is 42010453973. The next prime is 42010454023. The reversal of 42010454021 is 12045401024.

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 42010454021 - 2³⁰ = 40936712197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42010454023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323921 + ... + 434678.

It is an arithmetic number, because the mean of its divisors is an integer number (5325372000).

Almost surely, 2^42010454021 is an apocalyptic number.

It is an amenable number.

42010454021 is a deficient number, since it is larger than the sum of its proper divisors (592521979).

42010454021 is an equidigital number, since it uses as much as digits as its factorization.

42010454021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759379.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 42010454021 its reverse (12045401024), we get a palindrome (54055855045).

The spelling of 42010454021 in words is "forty-two billion, ten million, four hundred fifty-four thousand, twenty-one".