1449275495520 has 48 divisors (see below), whose sum is σ = 4565217812400. Its totient is φ = 386473465344.

The previous prime is 1449275495501. The next prime is 1449275495557. The reversal of 1449275495520 is 255945729441.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509661495 + ... + 1509662454.

It is an arithmetic number, because the mean of its divisors is an integer number (95108704425).

Almost surely, 2^{1449275495520} is an apocalyptic number.

1449275495520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449275495520 is an abundant number, since it is smaller than the sum of its proper divisors (3115942316880).

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

1449275495520 is a wasteful number, since it uses less digits than its factorization.

1449275495520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019323967 (or 3019323959 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 1449275495520 in words is "one trillion, four hundred forty-nine billion, two hundred seventy-five million, four hundred ninety-five thousand, five hundred twenty".