43867480 has 64 divisors (see below), whose sum is σ = 107930880. Its totient is φ = 15974400.

The previous prime is 43867471. The next prime is 43867487. The reversal of 43867480 is 8476834.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43867487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20040 + ... + 22120.

It is an arithmetic number, because the mean of its divisors is an integer number (1686420).

Almost surely, 2^43867480 is an apocalyptic number.

43867480 is a gapful number since it is divisible by the number (40) 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 43867480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53965440).

43867480 is an abundant number, since it is smaller than the sum of its proper divisors (64063400).

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

43867480 is a wasteful number, since it uses less digits than its factorization.

43867480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 43867480 is about 6623.2529772009. The cubic root of 43867480 is about 352.6800515374.

The spelling of 43867480 in words is "forty-three million, eight hundred sixty-seven thousand, four hundred eighty".