1443201031640 has 16 divisors (see below), whose sum is σ = 3247202321280. Its totient is φ = 577280412640.

The previous prime is 1443201031639. The next prime is 1443201031667. The reversal of 1443201031640 is 461301023441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18040012856 + ... + 18040012935.

It is an arithmetic number, because the mean of its divisors is an integer number (202950145080).

Almost surely, 2^{1443201031640} is an apocalyptic number.

1443201031640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443201031640 is an abundant number, since it is smaller than the sum of its proper divisors (1804001289640).

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

1443201031640 is a wasteful number, since it uses less digits than its factorization.

1443201031640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36080025802 (or 36080025798 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 1443201031640 in words is "one trillion, four hundred forty-three billion, two hundred one million, thirty-one thousand, six hundred forty".