43484540 has 96 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 14688000.

The previous prime is 43484501. The next prime is 43484563. The reversal of 43484540 is 4548434.

43484540 = T₂₁ + T₂₂ + ... + T₆₃₈.

It is a junction number, because it is equal to n+sod(n) for n = 43484497 and 43484506.

It is a congruent number.

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, 422129 + ... + 422231.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^43484540 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 43484540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53464320).

43484540 is an abundant number, since it is smaller than the sum of its proper divisors (63444100).

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

43484540 is a wasteful number, since it uses less digits than its factorization.

43484540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 43484540 is about 6594.2808554080. The cubic root of 43484540 is about 351.6508137574.

It can be divided in two parts, 4348 and 4540, that added together give a palindrome (8888).

The spelling of 43484540 in words is "forty-three million, four hundred eighty-four thousand, five hundred forty".