40664782230 has 256 divisors, whose sum is σ = 108829163520. Its totient is φ = 9688960512.

The previous prime is 40664782211. The next prime is 40664782231. The reversal of 40664782230 is 3228746604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40664782231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 143691669 + ... + 143691951.

It is an arithmetic number, because the mean of its divisors is an integer number (425113920).

Almost surely, 2^40664782230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40664782230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54414581760).

40664782230 is an abundant number, since it is smaller than the sum of its proper divisors (68164381290).

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

40664782230 is a wasteful number, since it uses less digits than its factorization.

40664782230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 40664782230 in words is "forty billion, six hundred sixty-four million, seven hundred eighty-two thousand, two hundred thirty".