43401960 has 128 divisors (see below), whose sum is σ = 165369600. Its totient is φ = 9918720.

The previous prime is 43401959. The next prime is 43401977. The reversal of 43401960 is 6910434.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4690 + ... + 10430.

It is an arithmetic number, because the mean of its divisors is an integer number (1291950).

Almost surely, 2^43401960 is an apocalyptic number.

43401960 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 43401960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82684800).

43401960 is an abundant number, since it is smaller than the sum of its proper divisors (121967640).

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

43401960 is a wasteful number, since it uses less digits than its factorization.

43401960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768 (or 5758 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 43401960 is about 6588.0163934222. The cubic root of 43401960 is about 351.4280700256.

The spelling of 43401960 in words is "forty-three million, four hundred one thousand, nine hundred sixty".