43582237040 has 80 divisors (see below), whose sum is σ = 105402941280. Its totient is φ = 16738606080.

The previous prime is 43582237009. The next prime is 43582237043. The reversal of 43582237040 is 4073228534.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-4 number, since 4×43582237040⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 43582236985 and 43582237003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43582237043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368027 + ... + 471813.

It is an arithmetic number, because the mean of its divisors is an integer number (1317536766).

Almost surely, 2^43582237040 is an apocalyptic number.

43582237040 is a gapful number since it is divisible by the number (40) 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 43582237040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52701470640).

43582237040 is an abundant number, since it is smaller than the sum of its proper divisors (61820704240).

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

43582237040 is a wasteful number, since it uses less digits than its factorization.

43582237040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104010 (or 104004 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 43582237040 in words is "forty-three billion, five hundred eighty-two million, two hundred thirty-seven thousand, forty".