248550995838 has 16 divisors (see below), whose sum is σ = 526343285520. Its totient is φ = 77976782976.

The previous prime is 248550995827. The next prime is 248550995863. The reversal of 248550995838 is 838599055842.

It is a super-2 number, since 2×248550995838² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218387133 + ... + 1218387336.

It is an arithmetic number, because the mean of its divisors is an integer number (32896455345).

Almost surely, 2^248550995838 is an apocalyptic number.

248550995838 is an abundant number, since it is smaller than the sum of its proper divisors (277792289682).

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

248550995838 is a wasteful number, since it uses less digits than its factorization.

248550995838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436774491.

The product of its (nonzero) digits is 124416000, while the sum is 66.

The spelling of 248550995838 in words is "two hundred forty-eight billion, five hundred fifty million, nine hundred ninety-five thousand, eight hundred thirty-eight".