1449628040025 has 81 divisors (see below), whose sum is σ = 2854334721693. Its totient is φ = 702753638400.

The previous prime is 1449628040017. The next prime is 1449628040041. The reversal of 1449628040025 is 5200408269441.

It is a happy number.

The square root of 1449628040025 is 1204005.

It is a perfect power (a square), and thus also a powerful number.

1449628040025 is a `hidden beast` number, since 14 + 4 + 9 + 628 + 0 + 4 + 0 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 130502285001 + 1319125755024 = 361251^2 + 1148532^2 .

It is not a de Polignac number, because 1449628040025 - 2³ = 1449628040017 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 198657177 + ... + 198664473.

Almost surely, 2^{1449628040025} is an apocalyptic number.

1449628040025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1449628040025 is the 1204005-th square number.

1449628040025 is the 602003-rd centered octagonal number.

It is an amenable number.

1449628040025 is a deficient number, since it is larger than the sum of its proper divisors (1404706681668).

1449628040025 is an frugal number, since it uses more digits than its factorization.

1449628040025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14632 (or 7316 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 1449628040025 in words is "one trillion, four hundred forty-nine billion, six hundred twenty-eight million, forty thousand, twenty-five".