450815038381 has 8 divisors (see below), whose sum is σ = 463285973304. Its totient is φ = 438414362880.

The previous prime is 450815038361. The next prime is 450815038409. The reversal of 450815038381 is 183830518054.

It can be written as a sum of positive squares in 4 ways, for example, as 7838269156 + 442976769225 = 88534^2 + 665565^2 .

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 450815038381 - 2²³ = 450806649773 is a prime.

It is a super-2 number, since 2×450815038381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450815038361) 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, 17551846 + ... + 17577511.

It is an arithmetic number, because the mean of its divisors is an integer number (57910746663).

Almost surely, 2^450815038381 is an apocalyptic number.

450815038381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

450815038381 is a deficient number, since it is larger than the sum of its proper divisors (12470934923).

450815038381 is a wasteful number, since it uses less digits than its factorization.

450815038381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35129711.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 450815038381 in words is "four hundred fifty billion, eight hundred fifteen million, thirty-eight thousand, three hundred eighty-one".