43552420632 has 256 divisors, whose sum is σ = 151445376000. Its totient is φ = 11307534336.

The previous prime is 43552420591. The next prime is 43552420669. The reversal of 43552420632 is 23602425534.

43552420632 is a `hidden beast` number, since 4 + 3 + 552 + 42 + 0 + 63 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 716203 + ... + 774629.

It is an arithmetic number, because the mean of its divisors is an integer number (591583500).

Almost surely, 2^43552420632 is an apocalyptic number.

43552420632 is a gapful number since it is divisible by the number (42) 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 43552420632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75722688000).

43552420632 is an abundant number, since it is smaller than the sum of its proper divisors (107892955368).

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

43552420632 is a wasteful number, since it uses less digits than its factorization.

43552420632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58495 (or 58485 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 43552420632 in words is "forty-three billion, five hundred fifty-two million, four hundred twenty thousand, six hundred thirty-two".