238836249550 has 48 divisors (see below), whose sum is σ = 470539771920. Its totient is φ = 89881781760.

The previous prime is 238836249521. The next prime is 238836249559. The reversal of 238836249550 is 55942638832.

It is a junction number, because it is equal to n+sod(n) for n = 238836249491 and 238836249500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238836249559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2327221 + ... + 2427679.

It is an arithmetic number, because the mean of its divisors is an integer number (9802911915).

Almost surely, 2^238836249550 is an apocalyptic number.

238836249550 is a deficient number, since it is larger than the sum of its proper divisors (231703522370).

238836249550 is a wasteful number, since it uses less digits than its factorization.

238836249550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103285 (or 103280 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 238836249550 in words is "two hundred thirty-eight billion, eight hundred thirty-six million, two hundred forty-nine thousand, five hundred fifty".