230446862640 has 120 divisors (see below), whose sum is σ = 775469526000. Its totient is φ = 61329249792.

The previous prime is 230446862621. The next prime is 230446862641. The reversal of 230446862640 is 46268644032.

230446862640 is a `hidden beast` number, since 2 + 304 + 4 + 6 + 86 + 264 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (230446862641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38574 + ... + 679986.

It is an arithmetic number, because the mean of its divisors is an integer number (6462246050).

Almost surely, 2^230446862640 is an apocalyptic number.

230446862640 is a gapful number since it is divisible by the number (20) 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 230446862640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387734763000).

230446862640 is an abundant number, since it is smaller than the sum of its proper divisors (545022663360).

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

230446862640 is a wasteful number, since it uses less digits than its factorization.

230446862640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641931 (or 641922 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 230446862640 in words is "two hundred thirty billion, four hundred forty-six million, eight hundred sixty-two thousand, six hundred forty".