10885781340 has 144 divisors (see below), whose sum is σ = 39723640320. Its totient is φ = 2357216640.

The previous prime is 10885781339. The next prime is 10885781351. The reversal of 10885781340 is 4318758801.

It is a happy number.

It is a super-3 number, since 3×10885781340³ (a number of 31 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203416 + ... + 251295.

Almost surely, 2^10885781340 is an apocalyptic number.

10885781340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10885781340 is an abundant number, since it is smaller than the sum of its proper divisors (28837858980).

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

10885781340 is a wasteful number, since it uses less digits than its factorization.

10885781340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454752 (or 454747 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 10885781340 in words is "ten billion, eight hundred eighty-five million, seven hundred eighty-one thousand, three hundred forty".