1086921909340 has 48 divisors (see below), whose sum is σ = 2359751091264. Its totient is φ = 420216768000.

The previous prime is 1086921909329. The next prime is 1086921909343. The reversal of 1086921909340 is 439091296801.

It is a super-2 number, since 2×1086921909340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086921909343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4751881 + ... + 4975360.

It is an arithmetic number, because the mean of its divisors is an integer number (49161481068).

Almost surely, 2^{1086921909340} is an apocalyptic number.

1086921909340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1086921909340 is an abundant number, since it is smaller than the sum of its proper divisors (1272829181924).

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

1086921909340 is a wasteful number, since it uses less digits than its factorization.

1086921909340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9727438 (or 9727436 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 1086921909340 in words is "one trillion, eighty-six billion, nine hundred twenty-one million, nine hundred nine thousand, three hundred forty".