1449820625 has 40 divisors (see below), whose sum is σ = 1987238880. Its totient is φ = 1048640000.

The previous prime is 1449820607. The next prime is 1449820633. The reversal of 1449820625 is 5260289441.

It is not a de Polignac number, because 1449820625 - 2¹⁰ = 1449819601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1560161 + ... + 1561089.

It is an arithmetic number, because the mean of its divisors is an integer number (49680972).

Almost surely, 2^1449820625 is an apocalyptic number.

It is an amenable number.

1449820625 is a deficient number, since it is larger than the sum of its proper divisors (537418255).

1449820625 is an equidigital number, since it uses as much as digits as its factorization.

1449820625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1449820625 is about 38076.5101473336. The cubic root of 1449820625 is about 1131.8045214386.

The spelling of 1449820625 in words is "one billion, four hundred forty-nine million, eight hundred twenty thousand, six hundred twenty-five".