10440878454 has 48 divisors (see below), whose sum is σ = 23544747408. Its totient is φ = 3467683872.

The previous prime is 10440878453. The next prime is 10440878473. The reversal of 10440878454 is 45487804401.

10440878454 is a `hidden beast` number, since 1 + 0 + 440 + 87 + 84 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440878453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95844 + ... + 173400.

It is an arithmetic number, because the mean of its divisors is an integer number (490515571).

Almost surely, 2^10440878454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10440878454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11772373704).

10440878454 is an abundant number, since it is smaller than the sum of its proper divisors (13103868954).

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

10440878454 is an equidigital number, since it uses as much as digits as its factorization.

10440878454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77851 (or 77839 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 10440878454 in words is "ten billion, four hundred forty million, eight hundred seventy-eight thousand, four hundred fifty-four".