235138831808 has 56 divisors (see below), whose sum is σ = 472560182640. Its totient is φ = 116077916160.

The previous prime is 235138831793. The next prime is 235138831871. The reversal of 235138831808 is 808138831532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537160 + ... + 1683192.

It is an arithmetic number, because the mean of its divisors is an integer number (8438574690).

Almost surely, 2^235138831808 is an apocalyptic number.

It is an amenable number.

235138831808 is an abundant number, since it is smaller than the sum of its proper divisors (237421350832).

235138831808 is a wasteful number, since it uses less digits than its factorization.

235138831808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146365 (or 146355 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 235138831808 in words is "two hundred thirty-five billion, one hundred thirty-eight million, eight hundred thirty-one thousand, eight hundred eight".