210433230540 has 72 divisors (see below), whose sum is σ = 687415227408. Its totient is φ = 51798948480.

The previous prime is 210433230481. The next prime is 210433230547. The reversal of 210433230540 is 45032334012.

210433230540 is a `hidden beast` number, since 21 + 0 + 4 + 332 + 305 + 4 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (210433230547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44962026 + ... + 44966705.

It is an arithmetic number, because the mean of its divisors is an integer number (9547433714).

Almost surely, 2^210433230540 is an apocalyptic number.

210433230540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210433230540 is an abundant number, since it is smaller than the sum of its proper divisors (476981996868).

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

210433230540 is a wasteful number, since it uses less digits than its factorization.

210433230540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89928759 (or 89928754 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 210433230540 its reverse (45032334012), we get a palindrome (255465564552).

The spelling of 210433230540 in words is "two hundred ten billion, four hundred thirty-three million, two hundred thirty thousand, five hundred forty".