43416537540 has 96 divisors (see below), whose sum is σ = 124597218816. Its totient is φ = 11289384960.

The previous prime is 43416537533. The next prime is 43416537553. The reversal of 43416537540 is 4573561434.

43416537540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43416537492 and 43416537501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6473829 + ... + 6480531.

It is an arithmetic number, because the mean of its divisors is an integer number (1297887696).

Almost surely, 2^43416537540 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 43416537540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62298609408).

43416537540 is an abundant number, since it is smaller than the sum of its proper divisors (81180681276).

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

43416537540 is a wasteful number, since it uses less digits than its factorization.

43416537540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9389 (or 9387 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 43416537540 in words is "forty-three billion, four hundred sixteen million, five hundred thirty-seven thousand, five hundred forty".