10999968340 has 12 divisors (see below), whose sum is σ = 23099933556. Its totient is φ = 4399987328.

The previous prime is 10999968283. The next prime is 10999968341. The reversal of 10999968340 is 4386999901.

It can be written as a sum of positive squares in 2 ways, for example, as 7434923076 + 3565045264 = 86226^2 + 59708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10999968341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274999189 + ... + 274999228.

It is an arithmetic number, because the mean of its divisors is an integer number (1924994463).

Almost surely, 2^10999968340 is an apocalyptic number.

10999968340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10999968340 is an abundant number, since it is smaller than the sum of its proper divisors (12099965216).

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

10999968340 is a wasteful number, since it uses less digits than its factorization.

10999968340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549998426 (or 549998424 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 58.

The spelling of 10999968340 in words is "ten billion, nine hundred ninety-nine million, nine hundred sixty-eight thousand, three hundred forty".