1450272820 has 24 divisors (see below), whose sum is σ = 3177990144. Its totient is φ = 554886816.

The previous prime is 1450272773. The next prime is 1450272829. The reversal of 1450272820 is 282720541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450272829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575924 + ... + 1576843.

It is an arithmetic number, because the mean of its divisors is an integer number (132416256).

Almost surely, 2^1450272820 is an apocalyptic number.

1450272820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450272820 is an abundant number, since it is smaller than the sum of its proper divisors (1727717324).

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

1450272820 is a wasteful number, since it uses less digits than its factorization.

1450272820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152799 (or 3152797 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1450272820 is about 38082.4476629326. The cubic root of 1450272820 is about 1131.9221780960.

The spelling of 1450272820 in words is "one billion, four hundred fifty million, two hundred seventy-two thousand, eight hundred twenty".