1449147620 has 12 divisors (see below), whose sum is σ = 3043210044. Its totient is φ = 579659040.

The previous prime is 1449147619. The next prime is 1449147647. The reversal of 1449147620 is 267419441.

It can be written as a sum of positive squares in 2 ways, for example, as 936849664 + 512297956 = 30608^2 + 22634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36228671 + ... + 36228710.

It is an arithmetic number, because the mean of its divisors is an integer number (253600837).

Almost surely, 2^1449147620 is an apocalyptic number.

1449147620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449147620 is an abundant number, since it is smaller than the sum of its proper divisors (1594062424).

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

1449147620 is a wasteful number, since it uses less digits than its factorization.

1449147620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72457390 (or 72457388 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1449147620 is about 38067.6715862686. The cubic root of 1449147620 is about 1131.6293668986.

The spelling of 1449147620 in words is "one billion, four hundred forty-nine million, one hundred forty-seven thousand, six hundred twenty".