1144852787940 has 24 divisors (see below), whose sum is σ = 3205587806400. Its totient is φ = 305294076768.

The previous prime is 1144852787927. The next prime is 1144852787989. The reversal of 1144852787940 is 497872584411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 19080879799 = 1144852787940 / (1 + 1 + 4 + 4 + 8 + 5 + 2 + 7 + 8 + 7 + 9 + 4 + 0).

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, 9540439840 + ... + 9540439959.

It is an arithmetic number, because the mean of its divisors is an integer number (133566158600).

Almost surely, 2^{1144852787940} is an apocalyptic number.

1144852787940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144852787940 is an abundant number, since it is smaller than the sum of its proper divisors (2060735018460).

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

1144852787940 is a wasteful number, since it uses less digits than its factorization.

1144852787940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19080879811 (or 19080879809 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 1144852787940 in words is "one trillion, one hundred forty-four billion, eight hundred fifty-two million, seven hundred eighty-seven thousand, nine hundred forty".