43640230790 has 32 divisors (see below), whose sum is σ = 84667445856. Its totient is φ = 16099499520.

The previous prime is 43640230787. The next prime is 43640230819. The reversal of 43640230790 is 9703204634.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8894 + ... + 295566.

It is an arithmetic number, because the mean of its divisors is an integer number (2645857683).

Almost surely, 2^43640230790 is an apocalyptic number.

43640230790 is a deficient number, since it is larger than the sum of its proper divisors (41027215066).

43640230790 is a wasteful number, since it uses less digits than its factorization.

43640230790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287864.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 43640230790 in words is "forty-three billion, six hundred forty million, two hundred thirty thousand, seven hundred ninety".