10440077220 has 36 divisors (see below), whose sum is σ = 31668234780. Its totient is φ = 2784020544.

The previous prime is 10440077209. The next prime is 10440077233. The reversal of 10440077220 is 2277004401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2083192164 + 8356885056 = 45642^2 + 91416^2 .

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

10440077220 is a modest number, since divided by 77220 gives 10440 as remainder.

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 11 ways as a sum of consecutive naturals, for example, 29000035 + ... + 29000394.

Almost surely, 2^10440077220 is an apocalyptic number.

10440077220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10440077220 is an abundant number, since it is smaller than the sum of its proper divisors (21228157560).

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

10440077220 is a wasteful number, since it uses less digits than its factorization.

10440077220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58000444 (or 58000439 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The spelling of 10440077220 in words is "ten billion, four hundred forty million, seventy-seven thousand, two hundred twenty".