43778225904 has 40 divisors (see below), whose sum is σ = 129250001280. Its totient is φ = 12508064448.

The previous prime is 43778225867. The next prime is 43778225927. The reversal of 43778225904 is 40952287734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65145834 + ... + 65146505.

It is an arithmetic number, because the mean of its divisors is an integer number (3231250032).

Almost surely, 2^43778225904 is an apocalyptic number.

It is an amenable number.

43778225904 is an abundant number, since it is smaller than the sum of its proper divisors (85471775376).

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

43778225904 is a wasteful number, since it uses less digits than its factorization.

43778225904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130292357 (or 130292351 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 43778225904 in words is "forty-three billion, seven hundred seventy-eight million, two hundred twenty-five thousand, nine hundred four".