1450401220 has 24 divisors (see below), whose sum is σ = 3047361408. Its totient is φ = 579871200.

The previous prime is 1450401191. The next prime is 1450401263. The reversal of 1450401220 is 221040541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25605 + ... + 59635.

It is an arithmetic number, because the mean of its divisors is an integer number (126973392).

Almost surely, 2^1450401220 is an apocalyptic number.

1450401220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450401220 is an abundant number, since it is smaller than the sum of its proper divisors (1596960188).

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

1450401220 is a wasteful number, since it uses less digits than its factorization.

1450401220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36171 (or 36169 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1450401220 is about 38084.1334416316. The cubic root of 1450401220 is about 1131.9555820452.

Adding to 1450401220 its reverse (221040541), we get a palindrome (1671441761).

The spelling of 1450401220 in words is "one billion, four hundred fifty million, four hundred one thousand, two hundred twenty".