450416551 has 8 divisors (see below), whose sum is σ = 485229024. Its totient is φ = 415627680.

The previous prime is 450416543. The next prime is 450416563. The reversal of 450416551 is 155614054.

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

It is not a de Polignac number, because 450416551 - 2³ = 450416543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450416501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69585 + ... + 75781.

It is an arithmetic number, because the mean of its divisors is an integer number (60653628).

Almost surely, 2^450416551 is an apocalyptic number.

450416551 is a deficient number, since it is larger than the sum of its proper divisors (34812473).

450416551 is a wasteful number, since it uses less digits than its factorization.

450416551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11801.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 450416551 is about 21223.0193657736. The cubic root of 450416551 is about 766.5458090733.

The spelling of 450416551 in words is "four hundred fifty million, four hundred sixteen thousand, five hundred fifty-one".