230890649904 has 160 divisors (see below), whose sum is σ = 666249470400. Its totient is φ = 76557312000.

The previous prime is 230890649903. The next prime is 230890649909. The reversal of 230890649904 is 409946098032.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (230890649903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76936404 + ... + 76939404.

It is an arithmetic number, because the mean of its divisors is an integer number (4164059190).

Almost surely, 2^230890649904 is an apocalyptic number.

230890649904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230890649904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333124735200).

230890649904 is an abundant number, since it is smaller than the sum of its proper divisors (435358820496).

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

230890649904 is a wasteful number, since it uses less digits than its factorization.

230890649904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 230890649904 in words is "two hundred thirty billion, eight hundred ninety million, six hundred forty-nine thousand, nine hundred four".