43661324630 has 64 divisors (see below), whose sum is σ = 98035564032. Its totient is φ = 13601399040.

The previous prime is 43661324579. The next prime is 43661324639. The reversal of 43661324630 is 3642316634.

43661324630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43661324630² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43661324639) 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, 1515722 + ... + 1544258.

It is an arithmetic number, because the mean of its divisors is an integer number (1531805688).

Almost surely, 2^43661324630 is an apocalyptic number.

43661324630 is an abundant number, since it is smaller than the sum of its proper divisors (54374239402).

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

43661324630 is a wasteful number, since it uses less digits than its factorization.

43661324630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30549.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 43661324630 in words is "forty-three billion, six hundred sixty-one million, three hundred twenty-four thousand, six hundred thirty".