43687950426 has 16 divisors (see below), whose sum is σ = 97084334400. Its totient is φ = 14562650124.

The previous prime is 43687950401. The next prime is 43687950437. The reversal of 43687950426 is 62405978634.

43687950426 is a `hidden beast` number, since 4 + 3 + 68 + 79 + 504 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 809036119 = 43687950426 / (4 + 3 + 6 + 8 + 7 + 9 + 5 + 0 + 4 + 2 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404518006 + ... + 404518113.

It is an arithmetic number, because the mean of its divisors is an integer number (6067770900).

Almost surely, 2^43687950426 is an apocalyptic number.

43687950426 is an abundant number, since it is smaller than the sum of its proper divisors (53396383974).

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

43687950426 is a wasteful number, since it uses less digits than its factorization.

43687950426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809036130 (or 809036124 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 43687950426 in words is "forty-three billion, six hundred eighty-seven million, nine hundred fifty thousand, four hundred twenty-six".