248444799404640 has 96 divisors (see below), whose sum is σ = 782624964522240. Its totient is φ = 66249927765504.

The previous prime is 248444799404617. The next prime is 248444799404723. The reversal of 248444799404640 is 46404997444842.

It is a tau number, because it is divible by the number of its divisors (96).

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, 7916491 + ... + 23655029.

It is an arithmetic number, because the mean of its divisors is an integer number (8152343380440).

Almost surely, 2^{248444799404640} is an apocalyptic number.

248444799404640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248444799404640 is an abundant number, since it is smaller than the sum of its proper divisors (534180165117600).

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

248444799404640 is a wasteful number, since it uses less digits than its factorization.

248444799404640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771444 (or 15771436 counting only the distinct ones).

The product of its (nonzero) digits is 891813888, while the sum is 69.

The spelling of 248444799404640 in words is "two hundred forty-eight trillion, four hundred forty-four billion, seven hundred ninety-nine million, four hundred four thousand, six hundred forty".