10278844416 has 72 divisors (see below), whose sum is σ = 29687243040. Its totient is φ = 3426275328.

The previous prime is 10278844403. The next prime is 10278844421. The reversal of 10278844416 is 61444887201.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260400 + ... + 297263.

It is an arithmetic number, because the mean of its divisors is an integer number (412322820).

Almost surely, 2^10278844416 is an apocalyptic number.

10278844416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10278844416 is an abundant number, since it is smaller than the sum of its proper divisors (19408398624).

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

10278844416 is an equidigital number, since it uses as much as digits as its factorization.

10278844416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557691 (or 557668 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 10278844416 in words is "ten billion, two hundred seventy-eight million, eight hundred forty-four thousand, four hundred sixteen".