43747600420 has 72 divisors (see below), whose sum is σ = 99049438656. Its totient is φ = 16223725056.

The previous prime is 43747600411. The next prime is 43747600511. The reversal of 43747600420 is 2400674734.

It is a self number, because there is not a number n which added to its sum of digits gives 43747600420.

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 23 ways as a sum of consecutive naturals, for example, 330777 + ... + 443743.

It is an arithmetic number, because the mean of its divisors is an integer number (1375686648).

Almost surely, 2^43747600420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43747600420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49524719328).

43747600420 is an abundant number, since it is smaller than the sum of its proper divisors (55301838236).

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

43747600420 is a wasteful number, since it uses less digits than its factorization.

43747600420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113077 (or 113058 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 43747600420 in words is "forty-three billion, seven hundred forty-seven million, six hundred thousand, four hundred twenty".