10898678450 has 24 divisors (see below), whose sum is σ = 22114410480. Its totient is φ = 3963155600.

The previous prime is 10898678443. The next prime is 10898678491. The reversal of 10898678450 is 5487689801.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

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, 9907340 + ... + 9908439.

It is an arithmetic number, because the mean of its divisors is an integer number (921433770).

Almost surely, 2^10898678450 is an apocalyptic number.

10898678450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10898678450 is an abundant number, since it is smaller than the sum of its proper divisors (11215732030).

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

10898678450 is a wasteful number, since it uses less digits than its factorization.

10898678450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19815802 (or 19815797 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 10898678450 in words is "ten billion, eight hundred ninety-eight million, six hundred seventy-eight thousand, four hundred fifty".