454040421339 has 24 divisors (see below), whose sum is σ = 641284764672. Its totient is φ = 285704022960.

The previous prime is 454040421259. The next prime is 454040421361. The reversal of 454040421339 is 933124040454.

It is a happy number.

It is not a de Polignac number, because 454040421339 - 2¹³ = 454040413147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454040421297 and 454040421306.

It is not an unprimeable number, because it can be changed into a prime (454040421389) 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 23 ways as a sum of consecutive naturals, for example, 480019 + ... + 1067004.

It is an arithmetic number, because the mean of its divisors is an integer number (26720198528).

Almost surely, 2^454040421339 is an apocalyptic number.

454040421339 is a deficient number, since it is larger than the sum of its proper divisors (187244343333).

454040421339 is a wasteful number, since it uses less digits than its factorization.

454040421339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547335 (or 1547316 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 454040421339 in words is "four hundred fifty-four billion, forty million, four hundred twenty-one thousand, three hundred thirty-nine".