1140750831440 has 40 divisors (see below), whose sum is σ = 2893358929248. Its totient is φ = 414818483840.

The previous prime is 1140750831401. The next prime is 1140750831481. The reversal of 1140750831440 is 441380570411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1140750831394 and 1140750831403.

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, 648153002 + ... + 648154761.

Almost surely, 2^{1140750831440} is an apocalyptic number.

1140750831440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140750831440 is an abundant number, since it is smaller than the sum of its proper divisors (1752608097808).

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

1140750831440 is a wasteful number, since it uses less digits than its factorization.

1140750831440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296307787 (or 1296307781 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 1140750831440 in words is "one trillion, one hundred forty billion, seven hundred fifty million, eight hundred thirty-one thousand, four hundred forty".