5278108440 has 64 divisors (see below), whose sum is σ = 17273813760. Its totient is φ = 1279541120.

The previous prime is 5278108369. The next prime is 5278108481. The reversal of 5278108440 is 448018725.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1997964 + ... + 2000603.

It is an arithmetic number, because the mean of its divisors is an integer number (269903340).

Almost surely, 2^5278108440 is an apocalyptic number.

It is an amenable number.

5278108440 is an abundant number, since it is smaller than the sum of its proper divisors (11995705320).

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

5278108440 is a wasteful number, since it uses less digits than its factorization.

5278108440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998592 (or 3998588 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 5278108440 is about 72650.5914635249. The cubic root of 5278108440 is about 1741.1095710620.

The spelling of 5278108440 in words is "five billion, two hundred seventy-eight million, one hundred eight thousand, four hundred forty".