1444900245540 has 96 divisors (see below), whose sum is σ = 4219282228224. Its totient is φ = 369033338880.

The previous prime is 1444900245521. The next prime is 1444900245541. The reversal of 1444900245540 is 455420094441.

It is a junction number, because it is equal to n+sod(n) for n = 1444900245492 and 1444900245501.

It is not an unprimeable number, because it can be changed into a prime (1444900245541) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3823849 + ... + 4184688.

It is an arithmetic number, because the mean of its divisors is an integer number (43950856544).

Almost surely, 2^{1444900245540} is an apocalyptic number.

1444900245540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444900245540 is an abundant number, since it is smaller than the sum of its proper divisors (2774381982684).

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

1444900245540 is a wasteful number, since it uses less digits than its factorization.

1444900245540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008677 (or 8008675 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 1444900245540 in words is "one trillion, four hundred forty-four billion, nine hundred million, two hundred forty-five thousand, five hundred forty".