1449550980 has 36 divisors (see below), whose sum is σ = 4396971852. Its totient is φ = 386546880.

The previous prime is 1449550969. The next prime is 1449551003. The reversal of 1449550980 is 890559441.

1449550980 is a `hidden beast` number, since 1 + 4 + 4 + 9 + 550 + 98 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 447068736 + 1002482244 = 21144^2 + 31662^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4026351 + ... + 4026710.

It is an arithmetic number, because the mean of its divisors is an integer number (122138107).

Almost surely, 2^1449550980 is an apocalyptic number.

1449550980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449550980 is an abundant number, since it is smaller than the sum of its proper divisors (2947420872).

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

1449550980 is a wasteful number, since it uses less digits than its factorization.

1449550980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053076 (or 8053071 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 1449550980 is about 38072.9691513546. The cubic root of 1449550980 is about 1131.7343508380.

The spelling of 1449550980 in words is "one billion, four hundred forty-nine million, five hundred fifty thousand, nine hundred eighty".