43240049424 has 640 divisors, whose sum is σ = 153216860160. Its totient is φ = 11496038400.

The previous prime is 43240049407. The next prime is 43240049429. The reversal of 43240049424 is 42494004234.

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

It is not an unprimeable number, because it can be changed into a prime (43240049429) 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, 128308584 + ... + 128308920.

It is an arithmetic number, because the mean of its divisors is an integer number (239401344).

Almost surely, 2^43240049424 is an apocalyptic number.

43240049424 is a gapful number since it is divisible by the number (44) 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 43240049424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76608430080).

43240049424 is an abundant number, since it is smaller than the sum of its proper divisors (109976810736).

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

43240049424 is a wasteful number, since it uses less digits than its factorization.

43240049424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 43240049424 in words is "forty-three billion, two hundred forty million, forty-nine thousand, four hundred twenty-four".