1450655220 has 96 divisors (see below), whose sum is σ = 4915185408. Its totient is φ = 312072192.

The previous prime is 1450655191. The next prime is 1450655221. The reversal of 1450655220 is 225560541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450655221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94447 + ... + 108726.

It is an arithmetic number, because the mean of its divisors is an integer number (51199848).

Almost surely, 2^1450655220 is an apocalyptic number.

1450655220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450655220 is an abundant number, since it is smaller than the sum of its proper divisors (3464530188).

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

1450655220 is a wasteful number, since it uses less digits than its factorization.

1450655220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203209 (or 203207 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1450655220 is about 38087.4680177089. The cubic root of 1450655220 is about 1132.0216557016.

The spelling of 1450655220 in words is "one billion, four hundred fifty million, six hundred fifty-five thousand, two hundred twenty".