1421044458 has 8 divisors (see below), whose sum is σ = 2842088928. Its totient is φ = 473681484.

The previous prime is 1421044451. The next prime is 1421044487. The reversal of 1421044458 is 8544401241.

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

1421044458 is an admirable number.

It is a super-2 number, since 2×1421044458² = 4038734703225027528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421044451) 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 3 ways as a sum of consecutive naturals, for example, 118420366 + ... + 118420377.

It is an arithmetic number, because the mean of its divisors is an integer number (355261116).

Almost surely, 2^1421044458 is an apocalyptic number.

1421044458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1421044458 is a wasteful number, since it uses less digits than its factorization.

1421044458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236840748.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 1421044458 is about 37696.7433341396. The cubic root of 1421044458 is about 1124.2663748346.

Adding to 1421044458 its reverse (8544401241), we get a palindrome (9965445699).

The spelling of 1421044458 in words is "one billion, four hundred twenty-one million, forty-four thousand, four hundred fifty-eight".