10440680478 has 32 divisors (see below), whose sum is σ = 21010814592. Its totient is φ = 3458700000.

The previous prime is 10440680447. The next prime is 10440680479. The reversal of 10440680478 is 87408604401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440680479) 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, 922353 + ... + 933603.

It is an arithmetic number, because the mean of its divisors is an integer number (656587956).

Almost surely, 2^10440680478 is an apocalyptic number.

10440680478 is an abundant number, since it is smaller than the sum of its proper divisors (10570134114).

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

10440680478 is a wasteful number, since it uses less digits than its factorization.

10440680478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200.

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 10440680478 in words is "ten billion, four hundred forty million, six hundred eighty thousand, four hundred seventy-eight".