43305640645852 has 96 divisors (see below), whose sum is σ = 85611336943104. Its totient is φ = 19017741600000.

The previous prime is 43305640645849. The next prime is 43305640645873. The reversal of 43305640645852 is 25854604650334.

It is a junction number, because it is equal to n+sod(n) for n = 43305640645793 and 43305640645802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236162602 + ... + 236345902.

It is an arithmetic number, because the mean of its divisors is an integer number (891784759824).

Almost surely, 2^{43305640645852} is an apocalyptic number.

It is an amenable number.

43305640645852 is a deficient number, since it is larger than the sum of its proper divisors (42305696297252).

43305640645852 is a wasteful number, since it uses less digits than its factorization.

43305640645852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184379 (or 184377 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 55.

The spelling of 43305640645852 in words is "forty-three trillion, three hundred five billion, six hundred forty million, six hundred forty-five thousand, eight hundred fifty-two".