1450523220 has 48 divisors (see below), whose sum is σ = 4067376768. Its totient is φ = 386243200.

The previous prime is 1450523219. The next prime is 1450523233. The reversal of 1450523220 is 223250541.

It is a super-2 number, since 2×1450523220² = 4208035223518336800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24817 + ... + 59303.

It is an arithmetic number, because the mean of its divisors is an integer number (84737016).

Almost surely, 2^1450523220 is an apocalyptic number.

1450523220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450523220 is an abundant number, since it is smaller than the sum of its proper divisors (2616853548).

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

1450523220 is a wasteful number, since it uses less digits than its factorization.

1450523220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35200 (or 35198 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1450523220 is about 38085.7351248469. The cubic root of 1450523220 is about 1131.9873191735.

Adding to 1450523220 its reverse (223250541), we get a palindrome (1673773761).

The spelling of 1450523220 in words is "one billion, four hundred fifty million, five hundred twenty-three thousand, two hundred twenty".