40321521230 has 32 divisors (see below), whose sum is σ = 76915215360. Its totient is φ = 15166604800.

The previous prime is 40321521199. The next prime is 40321521241. The reversal of 40321521230 is 3212512304.

40321521230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40321521196 and 40321521205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92636 + ... + 298704.

It is an arithmetic number, because the mean of its divisors is an integer number (2403600480).

Almost surely, 2^40321521230 is an apocalyptic number.

40321521230 is a deficient number, since it is larger than the sum of its proper divisors (36593694130).

40321521230 is a wasteful number, since it uses less digits than its factorization.

40321521230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207244.

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 40321521230 in words is "forty billion, three hundred twenty-one million, five hundred twenty-one thousand, two hundred thirty".