234444557890 has 8 divisors (see below), whose sum is σ = 422000204220. Its totient is φ = 93777823152.

The previous prime is 234444557887. The next prime is 234444557953. The reversal of 234444557890 is 98755444432.

234444557890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 217544817889 + 16899740001 = 466417^2 + 129999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×234444557890² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11722227885 + ... + 11722227904.

Almost surely, 2^234444557890 is an apocalyptic number.

234444557890 is a deficient number, since it is larger than the sum of its proper divisors (187555646330).

234444557890 is a wasteful number, since it uses less digits than its factorization.

234444557890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23444455796.

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 234444557890 in words is "two hundred thirty-four billion, four hundred forty-four million, five hundred fifty-seven thousand, eight hundred ninety".