10840143780 has 36 divisors (see below), whose sum is σ = 32881770012. Its totient is φ = 2890704960.

The previous prime is 10840143773. The next prime is 10840143799. The reversal of 10840143780 is 8734104801.

10840143780 is a `hidden beast` number, since 108 + 40 + 1 + 437 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2443720356 + 8396423424 = 49434^2 + 91632^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×10840143780⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30111331 + ... + 30111690.

Almost surely, 2^10840143780 is an apocalyptic number.

10840143780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10840143780 is an abundant number, since it is smaller than the sum of its proper divisors (22041626232).

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

10840143780 is a wasteful number, since it uses less digits than its factorization.

10840143780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60223036 (or 60223031 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 10840143780 in words is "ten billion, eight hundred forty million, one hundred forty-three thousand, seven hundred eighty".