238291275442 has 16 divisors (see below), whose sum is σ = 389942959392. Its totient is φ = 108310943520.

The previous prime is 238291275421. The next prime is 238291275527. The reversal of 238291275442 is 244572192832.

It is a super-2 number, since 2×238291275442² (a number of 24 digits) contains 22 as substring.

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, 677038 + ... + 966934.

It is an arithmetic number, because the mean of its divisors is an integer number (24371434962).

Almost surely, 2^238291275442 is an apocalyptic number.

238291275442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

238291275442 is a deficient number, since it is larger than the sum of its proper divisors (151651683950).

238291275442 is a wasteful number, since it uses less digits than its factorization.

238291275442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327273.

The product of its digits is 1935360, while the sum is 49.

The spelling of 238291275442 in words is "two hundred thirty-eight billion, two hundred ninety-one million, two hundred seventy-five thousand, four hundred forty-two".