248886133638 has 8 divisors (see below), whose sum is σ = 497772267288. Its totient is φ = 82962044544.

The previous prime is 248886133631. The next prime is 248886133673. The reversal of 248886133638 is 836331688842.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

248886133638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248886133631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20740511131 + ... + 20740511142.

It is an arithmetic number, because the mean of its divisors is an integer number (62221533411).

Almost surely, 2^248886133638 is an apocalyptic number.

248886133638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

248886133638 is a wasteful number, since it uses less digits than its factorization.

248886133638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41481022278.

The product of its digits is 31850496, while the sum is 60.

The spelling of 248886133638 in words is "two hundred forty-eight billion, eight hundred eighty-six million, one hundred thirty-three thousand, six hundred thirty-eight".