1140888551040 has 640 divisors, whose sum is σ = 4668356563200. Its totient is φ = 260103094272.

The previous prime is 1140888551027. The next prime is 1140888551041. The reversal of 1140888551040 is 401558880411.

1140888551040 is a `hidden beast` number, since 1 + 14 + 0 + 8 + 8 + 85 + 510 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

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

It is not an unprimeable number, because it can be changed into a prime (1140888551041) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 148414077 + ... + 148421763.

It is an arithmetic number, because the mean of its divisors is an integer number (7294307130).

Almost surely, 2^{1140888551040} is an apocalyptic number.

1140888551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140888551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2334178281600).

1140888551040 is an abundant number, since it is smaller than the sum of its proper divisors (3527468012160).

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

1140888551040 is an equidigital number, since it uses as much as digits as its factorization.

1140888551040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8134 (or 8113 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 45.

The spelling of 1140888551040 in words is "one trillion, one hundred forty billion, eight hundred eighty-eight million, five hundred fifty-one thousand, forty".