238071428790 has 32 divisors (see below), whose sum is σ = 615323078496. Its totient is φ = 58602197760.

The previous prime is 238071428789. The next prime is 238071428809. The reversal of 238071428790 is 97824170832.

It is a super-2 number, since 2×238071428790² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 305219391 + ... + 305220170.

It is an arithmetic number, because the mean of its divisors is an integer number (19228846203).

Almost surely, 2^238071428790 is an apocalyptic number.

238071428790 is an abundant number, since it is smaller than the sum of its proper divisors (377251649706).

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

238071428790 is a wasteful number, since it uses less digits than its factorization.

238071428790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610439584.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 238071428790 in words is "two hundred thirty-eight billion, seventy-one million, four hundred twenty-eight thousand, seven hundred ninety".