450055770 has 64 divisors (see below), whose sum is σ = 1110606336. Its totient is φ = 116651520.

The previous prime is 450055757. The next prime is 450055787. The reversal of 450055770 is 77550054.

It is a super-2 number, since 2×450055770² = 405100392220585800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450912 + ... + 451908.

It is an arithmetic number, because the mean of its divisors is an integer number (17353224).

Almost surely, 2^450055770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450055770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555303168).

450055770 is an abundant number, since it is smaller than the sum of its proper divisors (660550566).

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

450055770 is a wasteful number, since it uses less digits than its factorization.

450055770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 450055770 is about 21214.5179063772. The cubic root of 450055770 is about 766.3410881800.

The spelling of 450055770 in words is "four hundred fifty million, fifty-five thousand, seven hundred seventy".