43820252016 has 40 divisors (see below), whose sum is σ = 113222467584. Its totient is φ = 14604150720.

The previous prime is 43820251997. The next prime is 43820252023. The reversal of 43820252016 is 61025202834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201361 + ... + 358031.

Almost surely, 2^43820252016 is an apocalyptic number.

It is an amenable number.

43820252016 is an abundant number, since it is smaller than the sum of its proper divisors (69402215568).

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

43820252016 is a wasteful number, since it uses less digits than its factorization.

43820252016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162509 (or 162503 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 43820252016 in words is "forty-three billion, eight hundred twenty million, two hundred fifty-two thousand, sixteen".