1443813825140 has 24 divisors (see below), whose sum is σ = 3033379215720. Its totient is φ = 577264542848.

The previous prime is 1443813825071. The next prime is 1443813825169. The reversal of 1443813825140 is 415283183441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 382374036496 + 1061439788644 = 618364^2 + 1030262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1443813825091 and 1443813825100.

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, 16266335 + ... + 16354854.

It is an arithmetic number, because the mean of its divisors is an integer number (126390800655).

Almost surely, 2^{1443813825140} is an apocalyptic number.

1443813825140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443813825140 is an abundant number, since it is smaller than the sum of its proper divisors (1589565390580).

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

1443813825140 is a wasteful number, since it uses less digits than its factorization.

1443813825140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32623411 (or 32623409 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 1443813825140 in words is "one trillion, four hundred forty-three billion, eight hundred thirteen million, eight hundred twenty-five thousand, one hundred forty".