450745520 has 40 divisors (see below), whose sum is σ = 1057618320. Its totient is φ = 178640640.

The previous prime is 450745499. The next prime is 450745541. The reversal of 450745520 is 25547054.

It is an interprime number because it is at equal distance from previous prime (450745499) and next prime (450745541).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×450745520³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17126 + ... + 34565.

It is an arithmetic number, because the mean of its divisors is an integer number (26440458).

Almost surely, 2^450745520 is an apocalyptic number.

450745520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450745520 is an abundant number, since it is smaller than the sum of its proper divisors (606872800).

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

450745520 is a wasteful number, since it uses less digits than its factorization.

450745520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51813 (or 51807 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 450745520 is about 21230.7682385730. The cubic root of 450745520 is about 766.7323833607.

The spelling of 450745520 in words is "four hundred fifty million, seven hundred forty-five thousand, five hundred twenty".