1126990445640 has 256 divisors, whose sum is σ = 3517787750400. Its totient is φ = 288643255296.

The previous prime is 1126990445599. The next prime is 1126990445657. The reversal of 1126990445640 is 465440996211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101644177 + ... + 101655263.

It is an arithmetic number, because the mean of its divisors is an integer number (13741358400).

Almost surely, 2^{1126990445640} is an apocalyptic number.

1126990445640 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 1126990445640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1758893875200).

1126990445640 is an abundant number, since it is smaller than the sum of its proper divisors (2390797304760).

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

1126990445640 is a wasteful number, since it uses less digits than its factorization.

1126990445640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11484 (or 11480 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 1126990445640 in words is "one trillion, one hundred twenty-six billion, nine hundred ninety million, four hundred forty-five thousand, six hundred forty".