450055540 has 48 divisors (see below), whose sum is σ = 1048541760. Its totient is φ = 160878080.

The previous prime is 450055537. The next prime is 450055547. The reversal of 450055540 is 45550054.

It is a junction number, because it is equal to n+sod(n) for n = 450055499 and 450055508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450055547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4357 + ... + 30316.

It is an arithmetic number, because the mean of its divisors is an integer number (21844620).

Almost surely, 2^450055540 is an apocalyptic number.

It is an amenable number.

450055540 is an abundant number, since it is smaller than the sum of its proper divisors (598486220).

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

450055540 is a wasteful number, since it uses less digits than its factorization.

450055540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34752 (or 34750 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 450055540 is about 21214.5124855604. The cubic root of 450055540 is about 766.3409576343.

The spelling of 450055540 in words is "four hundred fifty million, fifty-five thousand, five hundred forty".