43378980 has 24 divisors (see below), whose sum is σ = 121461312. Its totient is φ = 11567712.

The previous prime is 43378967. The next prime is 43378987. The reversal of 43378980 is 8987334.

It is not an unprimeable number, because it can be changed into a prime (43378987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361432 + ... + 361551.

It is an arithmetic number, because the mean of its divisors is an integer number (5060888).

Almost surely, 2^43378980 is an apocalyptic number.

It is an amenable number.

43378980 is an abundant number, since it is smaller than the sum of its proper divisors (78082332).

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

43378980 is a wasteful number, since it uses less digits than its factorization.

43378980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722995 (or 722993 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 43378980 is about 6586.2720866967. The cubic root of 43378980 is about 351.3660356323.

The spelling of 43378980 in words is "forty-three million, three hundred seventy-eight thousand, nine hundred eighty".