1449530881 has 12 divisors (see below), whose sum is σ = 1534875264. Its totient is φ = 1368718200.

The previous prime is 1449530879. The next prime is 1449530899. The reversal of 1449530881 is 1880359441.

It is not a de Polignac number, because 1449530881 - 2¹ = 1449530879 is a prime.

It is a super-2 number, since 2×1449530881² = 4202279549945272322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449530681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105816 + ... + 118726.

It is an arithmetic number, because the mean of its divisors is an integer number (127906272).

Almost surely, 2^1449530881 is an apocalyptic number.

It is an amenable number.

1449530881 is a deficient number, since it is larger than the sum of its proper divisors (85344383).

1449530881 is a wasteful number, since it uses less digits than its factorization.

1449530881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260 (or 13241 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1449530881 is about 38072.7051967679. The cubic root of 1449530881 is about 1131.7291200610.

The spelling of 1449530881 in words is "one billion, four hundred forty-nine million, five hundred thirty thousand, eight hundred eighty-one".